CVE-2025-62663CWE-79cross-site-scripting

CVE-2025-62663

published October 18, 2025

CVSS
6.9
EPSS
1%
Percentile
42.6
In the wild
Unconfirmed
What it is

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - UploadWizard Extension allows Stored XSS.This issue affects Mediawiki - UploadWizard Extension: from master before 1.39.

The record
Technical detail
CVSS
6.9 · NONE
CVSS v4.0
Not supplied
EPSS
0.00510 · 42.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-10-18T09:15Z
References (3)
https://gerrit.wikimedia.org/r/q/I37ea7c8825e9de776e207b3919b451ba2b905369 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T402095 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T402095 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 18 OCT 04:16Z
    Stored XSS through a system message in UploadWizard
    cvelistv5