What’s Vulnerable › Vulnerabilities

CVE-2015-6727

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% 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-200

Description

The Special:DeletedContributions page in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 allows remote attackers to determine if an IP is autoblocked via the "Change block" text.

Affected products

• Canonical Ubuntu Linux: 15.04
• 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
• https://github.com/wikimedia/mediawiki/commit/5faabfa1bbf65536ea36108887040198afcb3c82
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html
• https://phabricator.wikimedia.org/T106893
• 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
• https://github.com/wikimedia/mediawiki/commit/5faabfa1bbf65536ea36108887040198afcb3c82
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html
• https://phabricator.wikimedia.org/T106893

Get alerted when CVE-2015-6727 or the next vulnerability affects your stack