// For flags

CVE-2025-32077

XSSes in Extension:SimpleCalendar

Severity Score

6.9
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

*Credits: BlankEclair
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
None
Low
Integrity
Low
Low
Availability
None
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-04-03 CVE Reserved
  • 2025-04-11 CVE Published
  • 2025-04-11 CVE Updated
  • 2025-04-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
  • CAPEC-63: Cross-Site Scripting (XSS)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
The Wikimedia Foundation
Search vendor "The Wikimedia Foundation"
 Mediawiki - Extension SimpleCalendar
Search vendor "The Wikimedia Foundation" for product "Mediawiki - Extension SimpleCalendar"
 >= 1.39 <= 1.43
Search vendor "The Wikimedia Foundation" for product "Mediawiki - Extension SimpleCalendar" and version " >= 1.39 <= 1.43"
en
Affected