What’s Vulnerable › Vulnerabilities

CVE-2015-8622

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-23 · updated 2026-06-17
• Weakness: CWE-79

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!')."

Affected products

• Wikimedia Foundation MediaWiki: through 1.23.11; 1.24.0, 1.24.1, 1.24.2, 1.24.3, 1.24.4, 1.25.0 (+4)

References

• http://www.openwall.com/lists/oss-security/2015/12/21/8
• http://www.openwall.com/lists/oss-security/2015/12/23/7
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html
• https://phabricator.wikimedia.org/T117899
• http://www.openwall.com/lists/oss-security/2015/12/21/8
• http://www.openwall.com/lists/oss-security/2015/12/23/7
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html
• https://phabricator.wikimedia.org/T117899

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