CVE-2015-8622

Name: CVE-2015-8622
Creator: NVD / NIST
Published: 2017-03-23T20:59:00.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.48%

Last modified Jun 17, 2026

CVE-2015-8622 is a vulnerability of currently unknown severity. Cross-site scripting (XSS) vulnerability in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1, when is configured with a relative URL, allows remote authenticated users to inject arbitrary web script or HTML via wikitext, as demonstrated by a wikilink to a page named "javascript:alert('XSS!').". EPSS estimates a 1.48% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1, when is configured with a relative URL, allows remote authenticated users to inject arbitrary web script or HTML via wikitext, as demonstrated by a wikilink to a page named "javascript:alert('XSS!')."

Metrics

EPSS Probability

1.48%

70.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	<= 1.23.11
Mediawiki	Mediawiki	1.24.0
Mediawiki	Mediawiki	1.24.1
Mediawiki	Mediawiki	1.24.2
Mediawiki	Mediawiki	1.24.3
Mediawiki	Mediawiki	1.24.4
Mediawiki	Mediawiki	1.25.0
Mediawiki	Mediawiki	1.25.1
Mediawiki	Mediawiki	1.25.2
Mediawiki	Mediawiki	1.25.3
Mediawiki	Mediawiki	1.26.0

References

http://www.openwall.com/lists/oss-security/2015/12/21/8Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/12/23/7Mailing List, Patch, Third Party Advisory
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.htmlPatch, Release Notes, Vendor Advisory
https://phabricator.wikimedia.org/T117899Issue Tracking, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/12/21/8Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/12/23/7Mailing List, Patch, Third Party Advisory
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.htmlPatch, Release Notes, Vendor Advisory
https://phabricator.wikimedia.org/T117899Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Mar 23, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8622?

How severe is CVE-2015-8622?

Severity scoring for CVE-2015-8622 is pending analysis. The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8622?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8622?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST