Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-102372
GestSup before 3.2.61 Stored XSS via Email Body in LOGIN IMAP Connector
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N P N N N 5.3 .0021 10.3 —
AFFECTED
Product Versions Fixed
GestSup unspecified —
TIMELINE
Sep 28 Reserved by VulnCheck
Sep 29 EXPLOIT PUBLISHED — CVE-2026-102372 (GestSup). Public exploit reference added.
Sep 29 Published (CNA: VulnCheck)
Description
GestSup versions before 3.2.61 fail to properly sanitize HTML email bodies in the IMAP LOGIN connector, allowing unauthenticated attackers to store arbitrary JavaScript in ticket descriptions and replies. Attackers can send emails to the monitored mailbox containing script tags and event handlers that execute in technician browsers, enabling ticket data theft and unauthorized actions.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 28, 2026 | Reserved | Reserved by VulnCheck |
| September 29, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-102372 (GestSup). Public exploit reference added. |
| September 29, 2026 | Published | Published (CNA: VulnCheck) |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| GestSup | GestSup | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-102372 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.