CVE-2026-35016 Open ISES Tickets < 3.44.2 Reflected XSS via search.php frm_query Parameter

Medium 5.1 Published Updated

Authenticated attackers can inject arbitrary JavaScript via the search.php frm_query parameter, leading to script execution in victim browsers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-35016?

CVE-2026-35016 is a medium-severity cross-site scripting vulnerability in openises tickets, published on 20 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in search.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the frm_query POST parameter directly into an HTML input field VALUE attribute. Attackers can craft a malicious request containing a JavaScript payload in the frm_query parameter that executes in the victim's browser when submitted.

Weakness: CWE-79

Which versions are affected by CVE-2026-35016?

How do I fix CVE-2026-35016?

No fix has been published for CVE-2026-35016 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-35016 being exploited?

There is no known exploitation of CVE-2026-35016 in the wild and no public exploit code.

Sources

Also known as GHSA-x262-4wj6-jf4j.

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