{"id":"CVE-2025-5591","title":"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.","summary":"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.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79","CWE-1188","CWE-79"],"vendor":"kentico","product":"xperience","affected":["xperience >= 13.0.0, < 13.0.167"],"patched":["xperience 13.0.167"],"published":"2026-01-05","updated":"2026-09-30","sourceUpdated":"2026-09-30T23:10:00.237","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-5591","references":[{"url":"https://www.themissinglink.com.au/security-advisories/cve-2025-5591","label":"vdp@themissinglink.com.au"}],"tags":["nvd"],"epss":0.00169,"epssPercentile":0.05624,"ingestedAt":"2026-09-30T23:29:32.527Z","slug":"CVE-2025-5591","body":"## Overview\n\nKentico 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.\n\n## Affected\n\n- `xperience >= 13.0.0, < 13.0.167`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `xperience 13.0.167`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}