{"schema":"threatline.record/2","record":{"id":"CVE-2026-102374","aliases":[],"summary":"GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP Connector","details":"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.","categories":["Unclassified"],"product":"GestSup","vendor":"GestSup","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102374","source_modified_at":"2026-09-30T11:15:14.390Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"GestSup","vendor":"GestSup","versions":[{"version":"0","lessThan":"3.2.62","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102374","source_modified_at":"2026-09-30T11:15:14.390Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"GestSup","ecosystem":null},"version":"3.2.62","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00211,"percentile":0.10789,"score_date":"2026-10-23"},"published_at":"2026-09-29T00:33:24.255Z","modified_at":"2026-09-30T11:15:14.390Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102374","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T11:15:14.390Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102374","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://gestsup.fr/index.php?page=changelog","tags":["release-notes"]},{"source":"CVE List","url":"https://gestsup.fr/index.php?page=download","tags":["product"]},{"source":"CVE List","url":"https://gestsup.fr/index.php?page=download&channel=stable&version=3.2.62&type=patch","tags":["patch"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/gestsup-before-3.2.62-stored-xss-via-double-decoded-email-subject-in-oauth-imap-connector","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://blog.spiizn.xyz/articles/remote-code-execution-turning-a-ticket-into-a-new-issue/","tags":["technical-description","exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-29T10:46:09.147752Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-30T11:15:14.390Z","content_hash":"ec03068464c343dd7d668fbe89fa07b6a80b20ac6f4f1d6fba73fd9cb3968487"}}