Medium severity · published Oct 27, 2026
CVE-2026-117534
REDAXO before 5.21.3 CSRF in Article History Plugin
New
5.4
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
core · redaxo
before 5.21.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-117534
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-117534
github.com
https://github.com/redaxo/core/security/advisories/GHSA-vjwx-3c33-xwmc
www.vulncheck.com
https://www.vulncheck.com/advisories/redaxo-before-5.21.3-csrf-in-article-history-plugin
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