CVE-2021-41118

The DynamicPageList3 extension is a reporting tool for MediaWiki, listing category members and intersections with various formats and details. In affected versions unsanitised input of regular expression date within the parameters of the DPL parser function, allowed for the possibility of ReDoS (Regex Denial of Service). This has been resolved in version 3.3.6. If you are unable to update you may also set `$wgDplSettings['functionalRichness'] = 0;` or disable DynamicPageList3 to mitigate.

• CWE-400

• https://github.com/Universal-Omega/DynamicPageList3/commit/2c04dafb37a14d9ccfe070f53e7f11bbca0156e7Patch, Third Party Advisory
• https://github.com/Universal-Omega/DynamicPageList3/releases/tag/3.3.6Release Notes, Third Party Advisory
• https://github.com/Universal-Omega/DynamicPageList3/security/advisories/GHSA-8f24-q75c-jhf4Mitigation, Third Party Advisory
• https://github.com/Universal-Omega/DynamicPageList3/commit/2c04dafb37a14d9ccfe070f53e7f11bbca0156e7Patch, Third Party Advisory
• https://github.com/Universal-Omega/DynamicPageList3/releases/tag/3.3.6Release Notes, Third Party Advisory
• https://github.com/Universal-Omega/DynamicPageList3/security/advisories/GHSA-8f24-q75c-jhf4Mitigation, Third Party Advisory

Published

Oct 4, 2021

Last Modified

Jun 17, 2026

Status

Modified

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