CVE-2026-125389: falha de média gravidade em Intermesh Group-Office
Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
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
Produtos afetados
Intermesh · Group-OfficeCVEs relacionadas — Intermesh Group-Office
No mesmo produto, das mais perigosas para as 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%
Referências
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