What’s Vulnerable › Vulnerabilities

CVE-2023-37304

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-30 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in the DoubleWiki extension for MediaWiki through 1.39.3. includes/DoubleWiki.php allows XSS via the column alignment feature.

Affected products

• Wikimedia Foundation MediaWiki: through 1.39.3

References

• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/DoubleWiki/+/932825
• https://phabricator.wikimedia.org/T323651
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/DoubleWiki/+/932825
• https://phabricator.wikimedia.org/T323651

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