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Medium severity · published Nov 26, 2025
CVE-2025-66026
REDAXO is a PHP-based CMS
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
REDAXO is a PHP-based CMS. Prior to version 5.20.1, a reflected Cross-Site Scripting (XSS) vulnerability exists in the Mediapool view where the request parameter args[types] is rendered into an info banner without HTML-escaping. This allows arbitrary JavaScript execution in the backend context when an authenticated user visits a crafted link while logged in. This issue has been patched in version 5.20.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
Redaxo · Redaxo
before 5.20.1 · source: NVD
Affected product
RE
Redaxo
Redaxo
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-66026
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-66026
Patch
https://github.com/redaxo/redaxo/commit/58929062312cf03e344ab04067a365e6b6ee66aa
Exploit
https://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgq
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