CVE-2025-53093

high

Description

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.

References

https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/security/advisories/GHSA-jfj7-249r-7j2m

https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/62ce0fcdf32bd3cfa77f92ff6b940459a14315fa

https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/4cdf217ef96da74a1503d1dd0bb0ed898fc2a612

https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/templates/Tabs.mustache#L1

https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Tabber.php#L76

https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Components/TabberComponentTabs.php#L15-L31

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-19418

Details

Source: Mitre, NVD

Published: 2025-06-27

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:P

Severity: High

CVSS v3

Base Score: 8.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Severity: High

EPSS

EPSS: 0.0042