Vulnerability · Published Oct 27, 2026 · Assigned by VulnCheck

CVE-2026-117534REDAXO before 5.21.3 CSRF in Article History Plugin

Medium 5.4

In plain English

A medium-severity cross-site request forgery in core from redaxo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)<0.1%top 99.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
redaxo	core	0 – before 5.21.3

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

References

GitHub Security Advisory (GHSA-vjwx-3c33-xwmc) vendor-advisory
VulnCheck Advisory: REDAXO before 5.21.3 CSRF in Article History Plugin third-party-advisory