{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-93769", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-23T16:35:11.904601Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-23T16:40:02.618Z"}}], "cna": {"title": "HumHub 1.18.5 - Stored XSS in Profile Field Category title via HForm#renderForm leading to System Administrator account takeover", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Miguel G\u00f3mez"}, {"lang": "en", "type": "finder", "value": "Fluid Attacks' AI SAST Scanner"}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "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", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Humhub", "product": "Humhub", "versions": [{"status": "affected", "version": "1.18.5"}], "platforms": ["Windows", "MacOS", "Linux"], "defaultStatus": "unaffected"}], "datePublic": "2026-09-23T15:41:00.000Z", "references": [{"url": "https://fluidattacks.com/advisories/cali", "tags": ["third-party-advisory"]}, {"url": "https://github.com/humhub/humhub", "tags": ["product"]}, {"url": "https://github.com/humhub/humhub/pull/8499", "tags": ["patch"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"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>", "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')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "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}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "shortName": "Fluid Attacks", "dateUpdated": "2026-09-23T15:49:51.290Z"}}}, "cveMetadata": {"cveId": "CVE-2026-93769", "state": "PUBLISHED", "dateUpdated": "2026-09-23T16:40:14.392Z", "dateReserved": "2026-09-18T17:30:07.354Z", "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "datePublished": "2026-09-23T15:49:51.290Z", "assignerShortName": "Fluid Attacks"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "MacOS", "Linux"], "product": "Humhub", "vendor": "Humhub", "versions": [{"status": "affected", "version": "1.18.5"}]}], "source": "help@fluidattacks.com"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-93769", "lastModified": "2026-09-23T17:17:20.143", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "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/E:X/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "help@fluidattacks.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93769", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-23T16:35:11.904601Z", "version": "2.0.3"}}]}, "published": "2026-09-23T16:16:48.360", "references": [{"source": "help@fluidattacks.com", "url": "https://fluidattacks.com/advisories/cali"}, {"source": "help@fluidattacks.com", "url": "https://github.com/humhub/humhub"}, {"source": "help@fluidattacks.com", "url": "https://github.com/humhub/humhub/pull/8499"}], "sourceIdentifier": "help@fluidattacks.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "help@fluidattacks.com", "type": "Secondary"}]}

{}

{"created": "2026-09-23T18:00:07.947510+00:00", "updated": "2026-09-23T18:00:07.947515+00:00", "vendors": []}