vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-32077

XSSes in Extension:SimpleCalendar

MEDIUM
6.9
CVSS Score
Published: April 11, 2025 at 04:25 PM UTC
Updated: June 17, 2026 at 09:11 AM UTC
1 product affected across 1 vendorSimpleCalendar

Using Mediawiki - Extension:SimpleCalendar by The Wikimedia Foundation?

Get instant alerts when new vulnerabilities affect Mediawiki - Extension:SimpleCalendar - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.9
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SimpleCalendar· Wikimedia
60%
1.39 ≤ v ≤ 1.431.39

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
https://gerrit.wikimedia.org/r/q/Ic5b5ce8f7791026eff1aafffb32a68f3aab119be
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
https://phabricator.wikimedia.org/T383472

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMwikimedia-foundation
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card