{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-5591", "assignerOrgId": "07aac9b9-e3e9-4d03-a447-764bd31371d7", "state": "PUBLISHED", "assignerShortName": "TML", "dateReserved": "2025-06-04T00:11:17.246Z", "datePublished": "2026-01-05T00:02:51.266Z", "dateUpdated": "2026-01-05T20:34:18.323Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Kentico Xperience", "vendor": "Kentico", "versions": [{"status": "affected", "version": "13.0.167"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Michael Nervo"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user\u2019s session and perform actions in their security context."}], "value": "Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user\u2019s session and perform actions in their security context."}], "impacts": [{"capecId": "CAPEC-593", "descriptions": [{"lang": "en", "value": "CAPEC-593 Session Hijacking"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 7.7, "baseSeverity": "HIGH", "exploitMaturity": "UNREPORTED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1188", "description": "CWE-1188 Insecure Default Initialization of Resource", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "07aac9b9-e3e9-4d03-a447-764bd31371d7", "shortName": "TML", "dateUpdated": "2026-01-05T00:02:51.266Z"}, "references": [{"url": "https://www.themissinglink.com.au/security-advisories/cve-2025-5591"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Change Kentico's default configuration as per the vendor's advisory:<br><div><a target=\"_blank\" rel=\"nofollow\" href=\"https://docs.kentico.com/13/configuring-xperience/reference-web-config-application-keys#security-settings\">https://docs.kentico.com/13/configuring-xperience/reference-web-config-application-keys#security-set...</a></div><a target=\"_blank\" rel=\"nofollow\" href=\"https://docs.kentico.com/13/macro-expressions/reference-macro-methods#advanced-text-processing\">https://docs.kentico.com/13/macro-expressions/reference-macro-methods#advanced-text-processing</a><br>"}], "value": "Change Kentico's default configuration as per the vendor's advisory:\n https://docs.kentico.com/13/macro-expressions/reference-macro-methods#advanced-text-processing"}], "source": {"discovery": "EXTERNAL"}, "title": "Stored Cross-site Scripting (XSS) in Kentico Xperience 13", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-05T20:33:51.339028Z", "id": "CVE-2025-5591", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-05T20:34:18.323Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-5591", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-05T20:33:51.339028Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-05T20:34:10.485Z"}}], "cna": {"title": "Stored Cross-site Scripting (XSS) in Kentico Xperience 13", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Michael Nervo"}], "impacts": [{"capecId": "CAPEC-593", "descriptions": [{"lang": "en", "value": "CAPEC-593 Session Hijacking"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "UNREPORTED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Kentico", "product": "Kentico Xperience", "versions": [{"status": "affected", "version": "13.0.167"}], "defaultStatus": "affected"}], "solutions": [{"lang": "en", "value": "Change Kentico's default configuration as per the vendor's advisory:\n https://docs.kentico.com/13/macro-expressions/reference-macro-methods#advanced-text-processing", "supportingMedia": [{"type": "text/html", "value": "Change Kentico's default configuration as per the vendor's advisory:<br><div><a target=\"_blank\" rel=\"nofollow\" href=\"https://docs.kentico.com/13/configuring-xperience/reference-web-config-application-keys#security-settings\">https://docs.kentico.com/13/configuring-xperience/reference-web-config-application-keys#security-set...</a></div><a target=\"_blank\" rel=\"nofollow\" href=\"https://docs.kentico.com/13/macro-expressions/reference-macro-methods#advanced-text-processing\">https://docs.kentico.com/13/macro-expressions/reference-macro-methods#advanced-text-processing</a><br>", "base64": false}]}], "references": [{"url": "https://www.themissinglink.com.au/security-advisories/cve-2025-5591"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user\u2019s session and perform actions in their security context.", "supportingMedia": [{"type": "text/html", "value": "Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user\u2019s session and perform actions in their security context.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1188", "description": "CWE-1188 Insecure Default Initialization of Resource"}]}], "providerMetadata": {"orgId": "07aac9b9-e3e9-4d03-a447-764bd31371d7", "shortName": "TML", "dateUpdated": "2026-01-05T00:02:51.266Z"}}}, "cveMetadata": {"cveId": "CVE-2025-5591", "state": "PUBLISHED", "dateUpdated": "2026-01-05T20:34:18.323Z", "dateReserved": "2025-06-04T00:11:17.246Z", "assignerOrgId": "07aac9b9-e3e9-4d03-a447-764bd31371d7", "datePublished": "2026-01-05T00:02:51.266Z", "assignerShortName": "TML"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1E6D459-B07A-4009-83D9-3A51360D29A9", "versionEndExcluding": "13.0.167", "versionStartIncluding": "13.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user\u2019s session and perform actions in their security context."}], "id": "CVE-2025-5591", "lastModified": "2026-01-22T17:32:40.177", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vdp@themissinglink.com.au", "type": "Secondary"}]}, "published": "2026-01-05T01:15:51.617", "references": [{"source": "vdp@themissinglink.com.au", "tags": ["Third Party Advisory"], "url": "https://www.themissinglink.com.au/security-advisories/cve-2025-5591"}], "sourceIdentifier": "vdp@themissinglink.com.au", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-1188"}], "source": "vdp@themissinglink.com.au", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"created": "2026-01-05T10:13:24.505050+00:00", "updated": "2026-01-05T10:13:24.505076+00:00", "vendors": ["kentico", "kentico$PRODUCT$xperience"]}