CVE-2026-56731

8.4 Élevée

Publiée le 25/09/2026 à 20:17 · Modifiée le 28/09/2026 à 16:45 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a low-privilege authenticated user may inject arbitrary HTML markup, including JavaScript event handlers, into a ticket title via the standard ticket creation workflow. The title is persisted without sanitization. This issue is fixed in version 7.0.1.

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Produits concernés

zammad

Scores CVSS

Version	Score	Source	Vecteur
4.0	8.4 Élevée	security-advisories@github.com	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`

Faiblesses (CWE)

CWE-79

Références

https://github.com/zammad/zammad/commit/16a4a2e1be6642ec0c3ba3a76e358ad065f48f78
https://github.com/zammad/zammad/security/advisories/GHSA-p9xp-gx8r-4397

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories