Description
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Page_Forms extension allows Stored XSS.
This issue affects MediaWiki Page_Forms extension: 1.46, 1.45, and 1.43.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Wikimedia Foundation | MediaWiki Page_Forms extension | 1.46, 1.45, 1.43 | — |
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
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BomboBombone/CVE-2026-103445 ★ 0 · Sep 30, 2026
Sanitized report summary and local PoC for CVE-2026-103445
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2026-3693 MediaWiki Extensions: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 30, 2026