{"id":"CVE-2026-102374","revision":"72d5db133d484036980cf3e39ec602a1","records":[{"revision":"72d5db133d484036980cf3e39ec602a1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-102374","aliases":[],"title":"GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP Connector","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.","state":0,"publishedAt":"2026-09-29T00:33:24.255+00:00","modifiedAt":"2026-09-30T11:15:14.39+00:00","affected":[{"ecosystem":"Vendor product","name":"GestSup","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GestSup\",\n                    \"product\": \"GestSup\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.2.62\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1,"severity":"MEDIUM"}],"references":["https://gestsup.fr/index.php?page=changelog","https://gestsup.fr/index.php?page=download","https://gestsup.fr/index.php?page=download&channel=stable&version=3.2.62&type=patch","https://www.vulncheck.com/advisories/gestsup-before-3.2.62-stored-xss-via-double-decoded-email-subject-in-oauth-imap-connector","https://blog.spiizn.xyz/articles/remote-code-execution-turning-a-ticket-into-a-new-issue/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-102374","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-102374","identifiers":["CVE-2026-102374"]},"retained":false,"historicalAffected":[]}],"coverage":[]}