CVE-2019-18611 describes an information disclosure vulnerability in the CheckUser extension for MediaWiki, affecting versions through 1.34. The flaw allowed users with certain access levels to the extension to view sensitive, oversighted edit summaries via the MediaWiki API, which they should not have been able to access. Rated as Medium severity (CVSS 6.5), this vulnerability has a low attack complexity and high confidentiality impact, but does not affect integrity or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.34CPE matchmatch criteria | cpe:2.3:a:mediawiki:checkuser:*:*:*:*:*:mediawiki:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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.