Is CVE-2026-117534 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-117534?

CVE-2026-117534 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-117534

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.