Vulnerability · Published Sep 29, 2026 · Assigned by VulnCheck

CVE-2026-102372GestSup before 3.2.61 Stored XSS via Email Body in LOGIN IMAP Connector

Medium 6.1

In plain English

A medium-severity cross-site scripting in GestSup from GestSup. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.2%top 88.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
GestSup	GestSup	0 – before 3.2.61

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

https://gestsup.fr/index.php?page=changelog release-notes
https://gestsup.fr/index.php?page=download product
https://gestsup.fr/index.php?page=download&channel=stable&version=3.2.61&type=patch patch
VulnCheck Advisory: GestSup before 3.2.62 Stored XSS via Email Body in LOGIN IMAP Connector third-party-advisory
https://blog.spiizn.xyz/articles/remote-code-execution-turning-a-ticket-into-a-new-issue/ technical-description, exploit