Vulnerability · Published May 5, 2024 · Assigned by mitre
CVE-2024-34507
High 7.4
In plain English
A high-severity security flaw in the mediawiki package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.7%top 47.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki before 1.39.7, 1.40.x before 1.40.3, and 1.41.x before 1.41.1. XSS can occur because of mishandling of the 0x1b character, as demonstrated by Special:RecentChanges#%1b0000000.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.39.7-1~deb12u1 | DEBIAN-CVE-2024-34507 |
| Debian:13 | mediawiki | 1:1.39.7-1 | DEBIAN-CVE-2024-34507 |
| Debian:14 | mediawiki | 1:1.39.7-1 | DEBIAN-CVE-2024-34507 |
Affected products (as reported)
Weakness: CWE-80 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N