What’s Vulnerable › Vulnerabilities

CVE-2019-12468

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-10 · updated 2026-06-17
• Weakness: CWE-306

Description

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

Affected products

• Debian Linux: 9.0
• Wikimedia Foundation MediaWiki: from 1.27.0 through 1.32.1

References

• https://lists.wikimedia.org/pipermail/mediawiki-announce/
• https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
• https://phabricator.wikimedia.org/T197279
• https://seclists.org/bugtraq/2019/Jun/12
• https://www.debian.org/security/2019/dsa-4460
• https://lists.wikimedia.org/pipermail/mediawiki-announce/
• https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
• https://phabricator.wikimedia.org/T197279
• https://seclists.org/bugtraq/2019/Jun/12
• https://www.debian.org/security/2019/dsa-4460

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