PT-2025-42678 · Mediawiki · Mediawiki - Uploadwizard Extension

Somerandomdeveloper · Published 2025-10-18 · Updated 2025-10-20 · CVE-2025-62663

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Mediawiki - UploadWizard Extension versions prior to 1.39

Description A flaw exists in the Mediawiki - UploadWizard Extension that allows for Stored Cross-site Scripting (XSS). This issue is due to improper neutralization of input during web page generation. The vulnerability could potentially allow an attacker to inject malicious scripts into web pages viewed by other users.

Recommendations Update Mediawiki - UploadWizard Extension to version 1.39 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-62663

Affected Products

Mediawiki - Uploadwizard Extension

References · 6

• 🔥 https://phabricator.wikimedia.org/T402095 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-62663 · Security Note
• https://twitter.com/CVEnew/status/1979406114639790355 · Twitter Post
• https://t.me/cveNotify/139313 · Telegram Post
• https://t.me/cveNotify/139461 · Telegram Post
• https://gerrit.wikimedia.org/r/q/I37ea7c8825e9de776e207b3919b451ba2b905369 · Note