CVE-2025-53093 HIGH

CVE-2025-53093: TabberNeue vulnerable to Stored XSS through wikitext

Vendor Starcitizentools
Product mediawiki-extensions-TabberNeue
Weakness CWE-79 · XSS
Published June 27, 2025
Last update June 27, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 27, 2025 CVE published
June 27, 2025 Record updated