CVE-2026-125389: fallo de gravedad media en Intermesh Group-Office
Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.3epss 0.3%
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.
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
Productos afectados
Intermesh · Group-OfficeCVEs relacionadas — Intermesh Group-Office
En el mismo producto, de las más peligrosas a las menos.
CVE-2018-25438HIGHIntermesh Group-Office < 3.5.5 Path Traversal via compress.phpEPSS 0.5%CVE-2026-125390HIGHGroup-Office before 6.8.181, 25.0.116, and 26.0.58 Local File Read via processUploadQueueEPSS 0.4%CVE-2026-125388HIGHGroup-Office before 6.8.181, 25.0.116, and 26.0.58 Missing Authorization in Forms Report DownloadEPSS 0.2%
Referencias
https://github.com/Intermesh/groupoffice/blob/v26.0.57/www/go/base/util/StringHelper.php#L799https://github.com/Intermesh/groupoffice/commit/8e9ff58807c5cfa71a34a48d80410479c1e7f9f5https://github.com/Intermesh/groupoffice/commit/bfc1fba43de53a6f662b1a12e31447a9c65d4d00https://github.com/Intermesh/groupoffice/commit/f32e9674b162342f0e4a43932f4adaf03e97c755https://github.com/Intermesh/groupoffice/security/advisories/GHSA-52gw-p4j3-v53chttps://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-stored-xss-via-filterxss-bypass