CVE-2025-21612HIGH 8.6EPSS p38.2%
CVE-2025-21612CVE-2025-21612
Description
TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Prior to 2.7.2, TabberTransclude.php doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This vulnerability is fixed in 2.7.2.
Scoring
| CVSS 3.1 | 8.6 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
| EPSS | 0.49% probability of exploitation · percentile 38.2% · 2026-06-18T12:00:27Z |
| Published | 2025-01-06 |
| Last modified | 2026-04-15 |
Underlying weaknesses· 2
References
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/d8c3db4e5935476e496d979fb01f775d3d3282e6
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/f229cab099c69006e25d4bad3579954e481dc566
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/security/advisories/GHSA-4x6x-8rm8-c37j
2
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-79 | 0% | live |
| Weakness | Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)cwe-80 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.