TabberNeue vulnerable to Stored XSS through wikitext
Priority HIGH 76CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Starting in version 3.0.0 and prior to version 3.1.1, any user can insert arbitrary HTMLinto the DOM by inserting a payload into any allowed attribute of the `<tabber>` tag. Version 3.1.1 contains a patch for the bug.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0042 36th percentileScored 2026-11-07
Fix Fixed mediawiki-extensions-TabberNeue (StarCitizenTools): 3.1.1starcitizentools/tabber-neue (Packagist): 3.1.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| StarCitizenTools | mediawiki-extensions-TabberNeue | 3.0.0 to before 3.1.1 | 3.1.1 | Patch available | CNA |
| — | starcitizentools/tabber-neue (Packagist) | 3.0.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-jfj7-249r-7j2m |
- mediawiki-extensions-TabberNeue VendorStarCitizenTools Affected 3.0.0 to before 3.1.1 Fixed in 3.1.1 Patch available CNA
- starcitizentools/tabber-neue (Packagist) Vendor— Affected 3.0.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-jfj7-249r-7j2m
Remediation
- Fix · CNA mediawiki-extensions-TabberNeue (StarCitizenTools) Fixed in 3.1.1
- Fix · GHSA-jfj7-249r-7j2m starcitizentools/tabber-neue (Packagist) Fixed in 3.1.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-53093
- 2026-10-03 Alias added: GHSA-jfj7-249r-7j2m
References
Other 7
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/security/advisories/GHSA-jfj7-249r-7j2m
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/4cdf217ef96da74a1503d1dd0bb0ed898fc2a612
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/62ce0fcdf32bd3cfa77f92ff6b940459a14315fa
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Components/TabberComponentTabs.php#L15-L31
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Tabber.php#L76
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/templates/Tabs.mustache#L1
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue
More StarCitizenTools vulnerabilities
- TI-2025-33331 Citizen Short Description stored XSS vulnerability through wikitext CVSS 3.1HIGH 8.6
- TI-2025-33330 Citizen is vulnerable to stored XSS attack in the legacy search bar CVSS 3.1HIGH 8.6
- TI-2025-15572 Cross-site Scripting in TabberTransclude in Extension:TabberNeue CVSS 3.1HIGH 8.6
- TI-2025-33332 Citizen stored XSS vulnerability through short descriptions CVSS 3.1HIGH 8.6
- TI-2024-23953 Citizen has a Stored Cross-Site Scripting Vulnerability by editing MediaWiki:Tagline CVSS 3.1MEDIUM 6.5
- TI-2025-38749 Citizen vulnerable to stored XSS in sticky header button messages CVSS 3.1MEDIUM 6.5
Sources
- CVE-2025-53093 · CVE Program
- CVE-2025-53093 · NVD
- FIRST EPSS
- GHSA-jfj7-249r-7j2m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences