CVE-2023-45362 is an information leak vulnerability affecting MediaWiki versions before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. The vulnerability arises from the "diff-multi-sameuser" feature failing to properly suppress usernames, potentially exposing sensitive information. Rated as Medium severity with a CVSS score of 4.3, it has a low attack complexity and requires low privileges, but only results in a limited information disclosure. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.35.12CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | ||
>= 1.36.0, < 1.39.5CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | ||
1.40.0CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:* | ||
1.40.0CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:1.40.0:rc0:*:*:*:*:*:* |
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.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.