High severity8.6OSV Advisory· Published Jan 6, 2025· Updated Apr 15, 2026
CVE-2025-21612
CVE-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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
starcitizentools/tabber-neuePackagist | >= 1.9.1, < 2.7.2 | 2.7.2 |
Affected products
2- Range: v1.9.1, v2.1.0, v2.1.1, …
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-4x6x-8rm8-c37jghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-21612ghsaADVISORY
- github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/d8c3db4e5935476e496d979fb01f775d3d3282e6nvdWEB
- github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/f229cab099c69006e25d4bad3579954e481dc566nvdWEB
- github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/security/advisories/GHSA-4x6x-8rm8-c37jnvdWEB
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