What’s Vulnerable › Vulnerabilities

CVE-2023-37305

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-30 · updated 2026-06-17
• Weakness: CWE-203

Description

An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki through 1.39.3. In includes/Page/PageContentHandler.php and includes/Page/PageDisplayHandler.php, hidden users can be exposed via public interfaces.

Affected products

• Wikimedia Foundation MediaWiki: through 1.39.3

References

• https://gerrit.wikimedia.org/r/q/Ibe5f8e25dea155bbd811a65833394c0d4b906a34
• https://phabricator.wikimedia.org/T326952
• https://gerrit.wikimedia.org/r/q/Ibe5f8e25dea155bbd811a65833394c0d4b906a34
• https://phabricator.wikimedia.org/T326952

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