CVE-2024-34507

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.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/	Third Party Advisory
https://phabricator.wikimedia.org/T355538	Exploit Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/	Third Party Advisory
https://phabricator.wikimedia.org/T355538	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

History

17 Jun 2025, 16:37

Type	Values Removed	Values Added
CPE		cpe:2.3:o:fedoraproject:fedora:40:::::::* cpe:2.3:a:mediawiki:mediawiki::::::::
First Time		Fedoraproject Mediawiki mediawiki Fedoraproject fedora Mediawiki
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ - Third Party Advisory
References	~~() https://phabricator.wikimedia.org/T355538 -~~	() https://phabricator.wikimedia.org/T355538 - Exploit, Issue Tracking, Vendor Advisory

Information

Published : 2024-05-05 19:15

Updated : 2025-06-17 16:37

NVD link : CVE-2024-34507

Mitre link : CVE-2024-34507

CVE.ORG link : CVE-2024-34507

JSON object : View

Products Affected

mediawiki

mediawiki

fedoraproject

fedora

CWE

CWE-80

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

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