CVE-2026-102374 - GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP Connector

CVE-2026-102374 - GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP Connector

https://cvefeed.io/rssfeed/latest.atom / Tue, 09/29/2026 - 07:49
CVE ID :CVE-2026-102374
Published : Sept. 29, 2026, 1:16 a.m. | 3 hours, 55 minutes ago
Description :GestSup versions before 3.2.62 contain a stored cross-site scripting vulnerability in the IMAP OAuth connector that double-decodes MIME-encoded email subjects after HTML escaping. Unauthenticated attackers can send crafted emails to monitored mailboxes with nested MIME encoded-words to inject JavaScript that executes in technician sessions when viewing tickets.
Severity: 6.1 | MEDIUM
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.