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CVE-2024-34507

nvd nist
Published: May 5, 2024Modified: Nov 4, 2025

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7.4
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Exploitability: 2.8 / Impact: 4.0
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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 (4)

Mediawiki
1 product
Mediawiki
Fedoraproject
1 product
Fedora
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Mediawiki
Mediawiki
Before 1.39.7
Mediawiki
From 1.40.0 to 1.40.3
Mediawiki
From 1.41.0 to 1.41.1
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 40

Related CWEs

CWE-80
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.

References (5)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
ExploitIssue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingVendor Advisory

Timeline

No history available yet.