SEPTEMBER 19, 2026
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Case File

CVE-2026-38444

MEDIUM · CVSS 6.1 EPSS 0.30% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-03 · Last synced 2026-09-02

CyberRota Analysis

AI-Generated

osTicket v1.18.3 is susceptible to Stored Cross-Site Scripting (XSS) due to unsanitized input from the email From-header display name, which is stored in the database. This vulnerability allows unauthenticated attackers to inject malicious scripts by replying to existing tickets from unregistered email addresses. Organizations using this version of osTicket should prioritize patching to mitigate the risk of exploitation and potential data compromise.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-38444
Severity
MEDIUM
CVSS
6.1
EPSS
0.30%

Original NVD Description

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.