{"id":"CVE-2025-5591","aliases":["EUVD-2026-0919","GHSA-8f4c-27f5-j68q"],"status":"published","title":"Stored Cross-site Scripting (XSS) in Kentico Xperience 13","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.","severity":{"version":"4.0","score":7.7,"vector":"CVSS: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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00173,"percentile":0.06773,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1188","CWE-79"],"published":"2026-01-05T00:02:51Z","modified":"2026-10-07T11:10:00Z","products":[{"vendor":"kentico","product":"kentico xperience"},{"vendor":"kentico","product":"xperience"}],"references":[{"url":"https://www.themissinglink.com.au/security-advisories/cve-2025-5591","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5591"},{"url":"https://github.com/advisories/GHSA-8f4c-27f5-j68q"}],"sources":{"cve":[{"id":"CVE-2025-5591","title":"Stored Cross-site Scripting (XSS) in Kentico Xperience 13","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.","status":"published","published":"2026-01-05T00:02:51.266Z","modified":"2026-01-05T20:34:18.323Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS: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","level":"high","assessor":"cna"}],"cwes":["CWE-79","CWE-1188"],"updated_at":"2026-11-02T14:32:30.302289Z"}],"euvd":[{"id":"EUVD-2026-0919","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.","status":"published","published":"2026-01-05T00:02:51Z","modified":"2026-01-05T20:34:18Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS: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","level":"high"}],"updated_at":"2026-11-02T19:48:55.889439Z"}],"ghsa":[{"id":"GHSA-8f4c-27f5-j68q","title":"Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component,...","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.","status":"published","published":"2026-01-05T03:30:27Z","modified":"2026-01-22T18:30:30Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:51.858942Z"}],"nvd":[{"id":"CVE-2025-5591","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.","status":"published","published":"2026-01-05T01:15:51.617Z","modified":"2026-10-07T11:10:00.153Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79","CWE-1188"],"updated_at":"2026-11-02T14:11:55.613137Z"}]}}