SecurityPolicyViolationEvent

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2018.

* Some parts of this feature may have varying levels of support.

Note: This feature is available in Web Workers.

The SecurityPolicyViolationEvent interface inherits from Event, and represents the event object of a securitypolicyviolation event sent on an Element, Document, or worker when its Content Security Policy (CSP) is violated.

Event SecurityPolicyViolationEvent

Constructor

SecurityPolicyViolationEvent()

Creates a new SecurityPolicyViolationEvent object instance.

Instance properties

SecurityPolicyViolationEvent.blockedURI Read only

A string representing the URI of the resource that was blocked because it violates a policy.

SecurityPolicyViolationEvent.columnNumber Read only

The column number in the document or worker at which the violation occurred.

SecurityPolicyViolationEvent.disposition Read only

A string indicating whether the user agent is configured to enforce or just report the policy violation.

SecurityPolicyViolationEvent.documentURI Read only

A string representing the URI of the document or worker in which the violation occurred.

SecurityPolicyViolationEvent.effectiveDirective Read only

A string representing the directive that was violated.

SecurityPolicyViolationEvent.lineNumber Read only

The line number in the document or worker at which the violation occurred.

SecurityPolicyViolationEvent.originalPolicy Read only

A string containing the policy whose enforcement caused the violation.

SecurityPolicyViolationEvent.referrer Read only

A string representing the URL for the referrer of the resources whose policy was violated, or null.

SecurityPolicyViolationEvent.sample Read only

A string representing a sample of the resource that caused the violation, usually the first 40 characters. This will only be populated if the resource is an inline script, event handler, or style — external resources causing a violation will not generate a sample.

SecurityPolicyViolationEvent.sourceFile Read only

If the violation occurred as a result of a script, this will be the URL of the script; otherwise, it will be null. Both columnNumber and lineNumber should have non-null values if this property is not null.

SecurityPolicyViolationEvent.statusCode Read only

A number representing the HTTP status code of the document or worker in which the violation occurred.

SecurityPolicyViolationEvent.violatedDirective Read only

A string representing the directive that was violated. This is a historical alias of effectiveDirective.

Examples

js
document.addEventListener("securitypolicyviolation", (e) => {
  console.log(e.blockedURI);
  console.log(e.violatedDirective);
  console.log(e.originalPolicy);
});

Specifications

Specification
Content Security Policy Level 3
# report-violation

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
SecurityPolicyViolationEvent
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
SecurityPolicyViolationEvent() constructor
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
blockedURI
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
columnNumber
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
disposition
Chrome – Full support
Chrome 56 (Release date: 2017-01-25)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 43 (Release date: 2017-02-07)
footnote Full support
Safari – Full support
Safari 15 (Release date: 2021-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 56 (Release date: 2017-02-01)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 43 (Release date: 2017-09-27)
footnote Full support
Safari on iOS – Full support
Safari on iOS 15 (Release date: 2021-09-20)
footnote Full support
Samsung Internet – Full support
Samsung Internet 6 (Release date: 2017-08-23)
footnote Full support
WebView Android – Full support
WebView Android 56 (Release date: 2017-02-01)
footnote Full support
WebView on iOS – Full support
WebView on iOS 15 (Release date: 2021-09-20)
footnote Full support
documentURI
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
effectiveDirective
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
lineNumber
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
originalPolicy
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
referrer
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
sample
Chrome – Full support
Chrome 59 (Release date: 2017-06-05)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 46 (Release date: 2017-06-22)
footnote Full support
Safari – Full support
Safari 15 (Release date: 2021-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 59 (Release date: 2017-06-06)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 43 (Release date: 2017-09-27)
footnote Full support
Safari on iOS – Full support
Safari on iOS 15 (Release date: 2021-09-20)
footnote Full support
Samsung Internet – Full support
Samsung Internet 7 (Release date: 2018-03-16)
footnote Full support
WebView Android – Full support
WebView Android 59 (Release date: 2017-06-06)
footnote Full support
WebView on iOS – Full support
WebView on iOS 15 (Release date: 2021-09-20)
footnote Full support
sourceFile
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
statusCode
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
violatedDirective
Chrome – Full support
Chrome 41 (Release date: 2015-03-03)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 28 (Release date: 2015-03-10)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 41 (Release date: 2015-03-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 28 (Release date: 2015-03-10)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 41 (Release date: 2015-03-11)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support
Available in workers
Chrome – Full support
Chrome 56 (Release date: 2017-01-25)
footnote Full support
Edge – Full support
Edge 15 (Release date: 2017-04-05)
footnote Full support
Firefox – Full support
Firefox 63 (Release date: 2018-10-23)
footnote Full support
Opera – Full support
Opera 43 (Release date: 2017-02-07)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 56 (Release date: 2017-02-01)
footnote Full support
Firefox for Android – Full support
Firefox for Android 63 (Release date: 2018-10-23)
footnote Full support
Opera Android – Full support
Opera Android 43 (Release date: 2017-09-27)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 6 (Release date: 2017-08-23)
footnote Full support
WebView Android – Full support
WebView Android 56 (Release date: 2017-02-01)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

See also