CVE-2026-103438
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikistories extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki Wikistories extension: 1.46, 1.45, and 1.43.
Published:Sep 30, 2026
Last Modified:Oct 1, 2026
EPS:Sep 30, 2026
EPSS Score:0.00145
CVSS Score:0.3
Affected Products
Vendor
Product
Action
Vendor
Wikimedia
Product
Mediawiki-wikistories Extension
Wikimedia
Mediawiki-wikistories Extension
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
