Medium severity6.1NVD Advisory· Published Nov 10, 2026
CVE-2026-125389
CVE-2026-125389
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.
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Affected products
2- Range: <6.8.181, <25.0.116, <26.0.58
- Range: <6.8.181, <25.0.116, <26.0.58
Patches
Vulnerability mechanics
References
6- github.com/Intermesh/groupoffice/blob/v26.0.57/www/go/base/util/StringHelper.phpnvd
- github.com/Intermesh/groupoffice/commit/8e9ff58807c5cfa71a34a48d80410479c1e7f9f5nvd
- github.com/Intermesh/groupoffice/commit/bfc1fba43de53a6f662b1a12e31447a9c65d4d00nvd
- github.com/Intermesh/groupoffice/commit/f32e9674b162342f0e4a43932f4adaf03e97c755nvd
- github.com/Intermesh/groupoffice/security/advisories/GHSA-52gw-p4j3-v53cnvd
- www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-stored-xss-via-filterxss-bypassnvd
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