CVE-2021-41118 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting the DynamicPageList3 extension for MediaWiki, specifically versions prior to 3.3.6. This flaw allows an unauthenticated attacker to trigger a denial of service by providing unsanitized regular expression input within the parameters of the DPL parser function. Rated 7.5 HIGH on CVSS, it has a network attack vector, low attack complexity, and a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.3.6CPE matchmatch criteria | cpe:2.3:a:dynamicpagelist3_project:dynamicpagelist3:*:*:*:*:*:mediawiki:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
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