CVE-2026-103584

LOW CVSS 4.0: 1.1 EPSS 0.29%
Updated Oct 01, 2026
The Wikimedia Foundation
Parameter Value
CVSS 1.1 (LOW)
Type CWE-80 (Improper Neutralization of Script-Related HTML Tags (XSS))
Vendor The Wikimedia Foundation
Public PoC No

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
High
Admin privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products

the wikimedia foundation:mediawiki commonsmetadata extension