What’s Vulnerable › Vulnerabilities

CVE-2016-6332

• Severity: high (CVSS 7.5 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: 2017-04-20 · updated 2026-06-17
• Weakness: CWE-200

Description

MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1, when $wgBlockDisablesLogin is true, might allow remote attackers to obtain sensitive information by leveraging failure to terminate sessions when a user account is blocked.

Affected products

• Wikimedia Foundation MediaWiki: through 1.23.14; 1.26.0, 1.26.1, 1.26.2, 1.26.3, 1.26.4, 1.27.0

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1369613
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html
• https://phabricator.wikimedia.org/T129738
• https://bugzilla.redhat.com/show_bug.cgi?id=1369613
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html
• https://phabricator.wikimedia.org/T129738

Get alerted when CVE-2016-6332 or the next vulnerability affects your stack