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Medium · 5.3 Public exploit CVE-2026-100381 EUVD-2026-87347GHSA-v9j5-28hr-9rmf

UploadWizard Flickr collection and set titles allow DOM XSS

Published Sep 25, 2026 · Updated Sep 26, 2026 · Assigned by wikimedia-foundation

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - UploadWizard Extension allows Cross-Site Scripting (XSS).

This issue affects Mediawiki - UploadWizard Extension: from * before 1.46.1, 1.45.5, 1.43.10.

Affected products

VendorProductAffectedFixed
Wikimedia Foundation Mediawiki - UploadWizard Extension < 1.46.1, 1.45.5, 1.43.10 1.46.1, 1.45.5, 1.43.10

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

References