CVE-2024-40596 is a medium-severity information disclosure vulnerability affecting the CheckUser extension in MediaWiki versions up to 1.42.1. Specifically, the Special:Investigate feature can inadvertently expose suppressed information within log events due to improper suppression handling by TimelineService. This vulnerability has a CVSS score of 4.3 (Medium), indicating a low attack complexity and requiring low privileges, with a potential impact of limited confidentiality compromise. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.42.1CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.