What’s Vulnerable › Vulnerabilities

CVE-2015-6728

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-09-01 · updated 2026-06-17
• Weakness: CWE-352

Description

The ApiBase::getWatchlistUser function in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 does not perform token comparison in constant time, which allows remote attackers to guess the watchlist token and bypass CSRF protection via a timing attack.

Affected products

• Wikimedia Foundation MediaWiki: through 1.23.9; 1.24.0, 1.24.1, 1.24.2, 1.25.0, 1.25.1

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165193.html
• http://www.openwall.com/lists/oss-security/2015/08/12/6
• http://www.openwall.com/lists/oss-security/2015/08/27/6
• http://www.securityfocus.com/bid/76334
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html
• https://security.gentoo.org/glsa/201510-05
• http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165193.html
• http://www.openwall.com/lists/oss-security/2015/08/12/6
• http://www.openwall.com/lists/oss-security/2015/08/27/6
• http://www.securityfocus.com/bid/76334
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html
• https://security.gentoo.org/glsa/201510-05

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