CVE-2026-125389

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-125389", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-09T22:03:11.018Z", "datePublished": "2026-11-09T23:27:55.200Z", "dateUpdated": "2026-11-09T23:27:55.200Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-09T23:27:55.200Z"}, "datePublic": "2026-11-09T00:00:00.000Z", "title": "Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass", "descriptions": [{"lang": "en", "value": "Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient's session when opened."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "affected": [{"vendor": "Intermesh", "product": "Group-Office", "packageURL": "pkg:github/Intermesh/groupoffice", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "6.8.181", "status": "affected", "versionType": "semver"}, {"version": "25.0.0", "lessThan": "25.0.116", "status": "affected", "versionType": "semver"}, {"version": "26.0.0", "lessThan": "26.0.58", "status": "affected", "versionType": "semver"}], "repo": "https://github.com/Intermesh/groupoffice"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.8.181"}, {"vulnerable": true, "criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*", "versionStartIncluding": "25.0.0", "versionEndExcluding": "25.0.116"}, {"vulnerable": true, "criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.0.0", "versionEndExcluding": "26.0.58"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/Intermesh/groupoffice/security/advisories/GHSA-52gw-p4j3-v53c", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-52gw-p4j3-v53c)"}, {"url": "https://github.com/Intermesh/groupoffice/blob/v26.0.57/www/go/base/util/StringHelper.php#L799", "tags": ["technical-description"]}, {"url": "https://github.com/Intermesh/groupoffice/commit/8e9ff58807c5cfa71a34a48d80410479c1e7f9f5", "tags": ["patch"]}, {"url": "https://github.com/Intermesh/groupoffice/commit/bfc1fba43de53a6f662b1a12e31447a9c65d4d00", "tags": ["patch"]}, {"url": "https://github.com/Intermesh/groupoffice/commit/f32e9674b162342f0e4a43932f4adaf03e97c755", "tags": ["patch"]}, {"name": "VulnCheck Advisory: Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-stored-xss-via-filterxss-bypass"}], "credits": [{"lang": "en", "value": "leediay153 from Viettel Post", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/Intermesh/groupoffice", "product": "Group-Office", "repo": "https://github.com/Intermesh/groupoffice", "vendor": "Intermesh", "versions": [{"lessThan": "6.8.181", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "25.0.116", "status": "affected", "version": "25.0.0", "versionType": "semver"}, {"lessThan": "26.0.58", "status": "affected", "version": "26.0.0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient's session when opened."}], "id": "CVE-2026-125389", "lastModified": "2026-11-12T21:09:09.470", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-11-10T00:17:12.480", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/Intermesh/groupoffice/blob/v26.0.57/www/go/base/util/StringHelper.php#L799"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Intermesh/groupoffice/commit/8e9ff58807c5cfa71a34a48d80410479c1e7f9f5"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Intermesh/groupoffice/commit/bfc1fba43de53a6f662b1a12e31447a9c65d4d00"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Intermesh/groupoffice/commit/f32e9674b162342f0e4a43932f4adaf03e97c755"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Intermesh/groupoffice/security/advisories/GHSA-52gw-p4j3-v53c"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-stored-xss-via-filterxss-bypass"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.8.181)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[25.0.0,25.0.116)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[26.0.0,26.0.58)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Group-Office", "source": "cna", "vendor": "Intermesh"}, "product": "group-office", "vendor": "intermesh"}], "created": "2026-11-10T00:45:07.292550+00:00", "updated": "2026-11-10T01:15:07.365221+00:00", "vendors": ["intermesh", "intermesh$PRODUCT$group-office"]}