Medium severity · published Jan 5, 2026
CVE-2025-5591
Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user’s session and perform actions in…
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user’s session and perform actions in their security context.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XP
Xperience · Kentico
13.0.0 before 13.0.167 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5591
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5591
Third Party Advisory
https://www.themissinglink.com.au/security-advisories/cve-2025-5591
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