CVE-2026-38444

Publié : 3 août 2026

Modifié : 3 août 2026

Score CVSS

6.1

MEDIUM

Description détaillée

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting (XSS) via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ost_thread_entry. When an unauthenticated attacker sends a reply email to an existing ticket from an unregistered address with an XSS payload in the From display name.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Références et Patchs

https://github.com/fr3akhacks/cve-disclosures/blob/master/osTicket/CVE-2026-38444.md https://github.com/osTicket/osTicket/blob/develop/include/class.mailparse.php https://github.com/osTicket/osTicket/commit/c54a6ac79de42cff35b453882d1d94cd38adb17f

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