VULNERABILITY INTELLIGENCE
CVE-2021-41118
CVSS score5.3 MEDIUM
EPSS probability1.16%
CISA KEVNot currently listed
Published2021-10-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
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.
Weakness classification
- security-advisories@github.com: CWE-400
Primary references
- security-advisories@github.com — Patch, Third Party Advisory
- security-advisories@github.com — Release Notes, Third Party Advisory
- security-advisories@github.com — Mitigation, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory