CVE-2026-102374 — GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP Connector
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 escapin…
Published: 2026-09-29 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7