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Status published
Medium
CVE-2025-32077
XSSes in Extension:SimpleCalendar
Vulnerability Description
Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Extension:SimpleCalendar allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Extension:SimpleCalendar: from 1.39 through 1.43.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- BlankEclair
References
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Affected Vendor
The Wikimedia Foundation
View all reports →Affected Software
Mediawiki - Extension:SimpleCalendar
Vulnerable Versions:
1.39
Timeline
Official Publish:
April 11th, 2025
Last Modified:
April 11th, 2025
Added to House:
July 22nd, 2026