Description
GestSup versions before 3.2.62 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.
Published: 2026-09-29
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
Description GestSup versions before 3.2.62 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.
Title GestSup before 3.2.62 Stored XSS via Email Body in LOGIN IMAP Connector
First Time appeared Gestsup
Gestsup gestsup
Weaknesses CWE-79
CPEs cpe:2.3:a:gestsup:gestsup:*:*:*:*:*:*:*:*
Vendors & Products Gestsup
Gestsup gestsup
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-29T00:33:22.841Z

Reserved: 2026-09-28T23:57:26.491Z

Link: CVE-2026-102372

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-29T01:16:44.593

Modified: 2026-09-29T01:16:44.593

Link: CVE-2026-102372

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T02:30:10Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')