CVE-2023-45360 is a Cross-Site Scripting (XSS) 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, specifically within the "youhavenewmessagesmanyusers" and "youhavenewmessages" internationalization messages. This medium-severity vulnerability (CVSS 5.4) requires low privileges and user interaction, allowing an attacker to inject malicious scripts, potentially leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.35.12CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | ||
>= 1.39.0, < 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:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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.