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 their security context.

CVSS 4.0

7.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-25)

CWEs

CWE-79, CWE-1188

Published

2026-01-05

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• kentico:xperience

References

• https://www.themissinglink.com.au/security-advisories/cve-2025-5591

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