CVE-2025-53093CWE-79CWE-80

TabberNeue vulnerable to Stored XSS through wikitext

High · published June 27, 2025

CVSS v3.1
8.6
EPSS
0%
Percentile
35.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00420 · 35.2th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-80 · Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Published
2025-06-27T17:43Z
EPSS history
Timeline
  • 27 JUN 17:43Z
    TabberNeue vulnerable to Stored XSS through wikitext
    cvelistv5