CVE-2021-41118 MEDIUM

CVE-2021-41118: ReDoS in DynamicPageList3

Vendor Universal-Omega
Product DynamicPageList3
Weakness CWE-400
Published October 4, 2021
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 4, 2021 CVE published
August 4, 2024 Record updated