{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93769", "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "state": "PUBLISHED", "assignerShortName": "Fluid Attacks", "dateReserved": "2026-09-18T17:30:07.354Z", "datePublished": "2026-09-23T15:49:51.290Z", "dateUpdated": "2026-09-23T16:40:14.392Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Windows", "MacOS", "Linux"], "product": "Humhub", "vendor": "Humhub", "versions": [{"status": "affected", "version": "1.18.5"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:humhub:humhub:1.18.5:*:windows:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:humhub:humhub:1.18.5:*:macos:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:humhub:humhub:1.18.5:*:linux:*:*:*:*:*", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "Miguel G\u00f3mez"}, {"lang": "en", "type": "finder", "value": "Fluid Attacks' AI SAST Scanner"}], "datePublic": "2026-09-23T15:41:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">HumHub 1.18.5 is affected by a stored cross-site scripting (XSS) vulnerability that allows any user holding the delegated, non-system-administrator </span><code>Manage Users</code><span style=\"background-color: rgb(255, 255, 255);\"> permission (</span><code>admin_manage_users</code><span style=\"background-color: rgb(255, 255, 255);\">) to inject persistent HTML/JavaScript into a Profile Field Category </span><code>title</code><span style=\"background-color: rgb(255, 255, 255);\">. </span><br>"}], "value": "HumHub 1.18.5 is affected by a stored cross-site scripting (XSS) vulnerability that allows any user holding the delegated, non-system-administrator Manage Users permission (admin_manage_users) to inject persistent HTML/JavaScript into a Profile Field Category title."}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 7.2, "baseSeverity": "HIGH", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "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"}]}], "providerMetadata": {"orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "shortName": "Fluid Attacks", "dateUpdated": "2026-09-23T15:49:51.290Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://fluidattacks.com/advisories/cali"}, {"tags": ["product"], "url": "https://github.com/humhub/humhub"}, {"tags": ["patch"], "url": "https://github.com/humhub/humhub/pull/8499"}], "source": {"discovery": "UNKNOWN"}, "title": "HumHub 1.18.5 - Stored XSS in Profile Field Category title via HForm#renderForm leading to System Administrator account takeover", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-23T16:35:11.904601Z", "id": "CVE-2026-93769", "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": "2026-09-23T16:40:14.392Z"}}]}}