PT-2026-67465 · Undefined · Undefined

CVE-2026-38444 · Published 2026-08-03 · Updated 2026-08-03

NVD

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-38444

Affected Products

Undefined

References · 4

• 🔥 https://github.com/fr3akhacks/cve-disclosures/blob/master/osTicket/CVE-2026-38444.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-38444 · Security Note
• https://github.com/osTicket/osTicket/commit/c54a6ac79de42cff35b453882d1d94cd38adb17f · Note
• https://github.com/osTicket/osTicket/blob/develop/include/class.mailparse.php · Note