{"id":"CVE-2026-125389","state":"PUBLISHED","title":"Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass","description":"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.","publishedAt":"2026-11-09T23:27:55.200Z","updatedAt":"2026-11-09T23:27:55.200Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["Intermesh Group-Office"],"affected":[{"vendor":"Intermesh","product":"Group-Office","packageURL":"pkg:github/Intermesh/groupoffice","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"6.8.181","versionType":"semver"},{"version":"25.0.0","status":"affected","lessThan":"25.0.116","versionType":"semver"},{"version":"26.0.0","status":"affected","lessThan":"26.0.58","versionType":"semver"}],"repo":"https://github.com/Intermesh/groupoffice"}],"references":["https://github.com/Intermesh/groupoffice/security/advisories/GHSA-52gw-p4j3-v53c","https://github.com/Intermesh/groupoffice/blob/v26.0.57/www/go/base/util/StringHelper.php#L799","https://github.com/Intermesh/groupoffice/commit/8e9ff58807c5cfa71a34a48d80410479c1e7f9f5","https://github.com/Intermesh/groupoffice/commit/bfc1fba43de53a6f662b1a12e31447a9c65d4d00","https://github.com/Intermesh/groupoffice/commit/f32e9674b162342f0e4a43932f4adaf03e97c755","https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-stored-xss-via-filterxss-bypass"],"weaknesses":["CWE-79"],"ingestedAt":"2026-11-09T23:36:06.628Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/125xxx/CVE-2026-125389.json","commit":"b5e35fd13cceb3fc2d7ace24f43c95cd80e7dc5f","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-125389","state":"PUBLISHED","datePublished":"2026-11-09T23:27:55.200Z","dateUpdated":"2026-11-09T23:27:55.200Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-11-09T22:03:11.018Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Intermesh","product":"Group-Office","packageURL":"pkg:github/Intermesh/groupoffice","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"6.8.181","versionType":"semver"},{"version":"25.0.0","status":"affected","lessThan":"25.0.116","versionType":"semver"},{"version":"26.0.0","status":"affected","lessThan":"26.0.58","versionType":"semver"}],"repo":"https://github.com/Intermesh/groupoffice"}],"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"]},{"url":"https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-stored-xss-via-filterxss-bypass","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"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-11-09T23:27:55.200Z"},"datePublic":"2026-11-09T00:00:00.000Z","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"}]}]}],"credits":[{"lang":"en","value":"leediay153 from Viettel Post","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}