---
id: CVE-2026-117534
title: REDAXO before 5.21.3 CSRF in Article History Plugin
summary: >-
  REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in
  the structure/history plugin that allows attackers to delete history or roll
  back content via unvalidated GET requests. Attackers can lure logged-in
  backend user…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'
cvssSource: cna
cwe:
  - CWE-352
vendor: redaxo
product: core
affected:
  - core < 5.21.3
published: '2026-10-27'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T10:59:30.139Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-117534'
references:
  - url: 'https://github.com/redaxo/core/security/advisories/GHSA-vjwx-3c33-xwmc'
    label: GitHub Security Advisory (GHSA-vjwx-3c33-xwmc)
  - url: >-
      https://www.vulncheck.com/advisories/redaxo-before-5.21.3-csrf-in-article-history-plugin
    label: 'VulnCheck Advisory: REDAXO before 5.21.3 CSRF in Article History Plugin'
tags:
  - cve.org
ingestedAt: '2026-10-27T16:11:59.295Z'
---

## Overview

REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the structure/history plugin that allows attackers to delete history or roll back content via unvalidated GET requests. Attackers can lure logged-in backend users to a page triggering func=clearall or rex_history_function=snap, permanently deleting all article snapshots or reverting articles to earlier states.

## Affected

- `core < 5.21.3`

## Remediation

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