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CVE-2024-34507

Date: May 4, 2024

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.

Language: PHP

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2024-34507
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
https://security-tracker.debian.org/tracker/CVE-2024-34507
https://phabricator.wikimedia.org/T355538
https://www.mend.io/vulnerability-database/CVE-2024-34507

Severity Score

Weakness Type (CWE)

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

CWE-80

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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