CVE-2025-53093

TabberNeue vulnerable to Stored XSS through wikitext

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.

Affected

StarCitizenTools · mediawiki-extensions-TabberNeue

CVSS v3.1 GITHUB

8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

EPSS

0.42% chance of exploitation in the next 30 days, 35th percentile

Published

2025-06-27

Proof-of-concept exploits (1)

• advisories/GHSA-jfj7-249r-7j2m

References

• CVE Record
• NVD entry