CVEvulnerability
CVE-2021-41118
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-10-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-400
Description
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.
Affected configurations
• dynamicpagelist3 project dynamicpagelist3 (< 3.3.6)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://github.com/Universal-Omega/DynamicPageList3/commit/2c04dafb37a14d9ccfe070f53e7f11bbca0156e7 Patch, Third Party Advisory
- https://github.com/Universal-Omega/DynamicPageList3/releases/tag/3.3.6 Release Notes, Third Party Advisory
- https://github.com/Universal-Omega/DynamicPageList3/security/advisories/GHSA-8f24-q75c-jhf4 Mitigation, Third Party Advisory
- https://github.com/Universal-Omega/DynamicPageList3/commit/2c04dafb37a14d9ccfe070f53e7f11bbca0156e7 Patch, Third Party Advisory
- https://github.com/Universal-Omega/DynamicPageList3/releases/tag/3.3.6 Release Notes, Third Party Advisory
- https://github.com/Universal-Omega/DynamicPageList3/security/advisories/GHSA-8f24-q75c-jhf4 Mitigation, Third Party Advisory