CVE-2025-9343 ELEX WordPress HelpDesk & Customer Ticketing System <= 3.3.4 - Unauthenticated Stored Cross-Site Scripting

High 7.2 Published Updated

Unauthenticated attackers can inject arbitrary scripts via ticket subjects, leading to script execution when users view the page.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-9343?

CVE-2025-9343 is a high-severity cross-site scripting vulnerability in elextensions ELEX WordPress HelpDesk & Customer Ticketing System, published on 21 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ELEX WordPress HelpDesk & Customer Ticketing System plugin for WordPress is vulnerable to Stored Cross-Site Scripting via ticket subjects in all versions up to, and including, 3.3.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2025-9343?

How do I fix CVE-2025-9343?

No fix has been published for CVE-2025-9343 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-2025-9343 being exploited?

There is no known exploitation of CVE-2025-9343 in the wild and no public exploit code.

Sources

Also known as GHSA-grx3-26h2-7973.

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