---
id: CVE-2026-96879
title: "Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension\_through 1.46.0."
summary: "Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension\_through 1.46.0."
severity: medium
cvss: 6.9
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N'
cwe:
  - CWE-212
vendor: The Wikimedia Foundation
product: Mediawiki - FlaggedRevs extension
affected:
  - mediawiki_-_flaggedrevs_extension <= 1.46.0
published: '2026-09-25'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T21:17:25.613'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96879'
references:
  - url: 'https://phabricator.wikimedia.org/T433020'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-25T20:41:45.708316Z'
cvssSource: cna
ingestedAt: '2026-09-25T21:19:40.147Z'
---

## Overview

Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.