Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - Wikibase Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Wikibase 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
-
BomboBombone/CVE-2026-100380 ★ 0 · Sep 29, 2026
Sanitized Wikibase report and patch verification notes for CVE-2026-100380.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2026-3597 MediaWiki Extensions: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 27, 2026