CVE-2026-102372

Medium

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.

SeverityMedium

CVSS6.1

Exploit probability—

ProductGestSup

PublishedSep 29, 2026

First seenSep 29, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

GestSup GestSup3.2.61 or later

Patches

gestsup.fr/index.php?page=download&channel=stable&version=3.2.61&type=patch

Vendor advisories

gestsup.fr/index.php?page=changelog

Affected products

Product	Affected versions	Fixed in
GestSup GestSup	v < 3.2.61	3.2.61

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