CVE-2025-53093

Published Jun 27, 2025

Last updated 18 days ago

CVSS high 8.6

Overview

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.
Source
security-advisories@github.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.6
Impact score
4.7
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Severity
HIGH

Weaknesses

security-advisories@github.com
CWE-79

Social media

Hype score
Not currently trending

  1. [CVE-2025-53093: HIGH] TabberNeue patch 3.1.1 addresses a vulnerability allowing arbitrary HTML insertion in MediaWiki's tab extension, posing a significant security risk to user data.#cve,CVE-2025-53093,#cybersecurity https://t.co/mM91HKFdsc https://t.co/McWGyPyCws

    @CveFindCom

    27 Jun 2025

    54 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

References

Sources include official advisories and independent security research.