CVE-2021-24623 WordPress Advanced Ticket System < 1.0.64 - Authenticated Stored Cross-Site Scripting (XSS)

Medium 4.8 Published Updated

High-privilege users can inject malicious scripts via unsanitized form inputs in the Advanced Ticket System plugin, potentially compromising other users.

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

What is CVE-2021-24623?

CVE-2021-24623 is a medium-severity cross-site scripting vulnerability in Unknown WordPress Advanced Ticket System, Elite Support Helpdesk, published on 13 Sep 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The WordPress Advanced Ticket System, Elite Support Helpdesk WordPress plugin before 1.0.64 does not sanitize or escape form values before saving to the database or when outputting, which allows high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Weakness: CWE-79

Which versions are affected by CVE-2021-24623?

It affects 1 product.

Products include Ticket-System Wordpress Advanced Ticket System.

How do I fix CVE-2021-24623?

No fix has been published for CVE-2021-24623 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-2021-24623 being exploited?

There is no known exploitation of CVE-2021-24623 in the wild and no public exploit code.

Sources

Also known as GHSA-8fr5-3m95-p6r9.

Is CVE-2021-24623 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free