CVE-2023-32740 WordPress Custom 404 Pro Plugin <= 3.8.1 is vulnerable to Cross Site Scripting (XSS)

Medium 5.8 Published Updated

Unauthenticated attackers can execute arbitrary scripts in victim browsers via reflected XSS in the Custom 404 Pro plugin.

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-2023-32740?

CVE-2023-32740 is a medium-severity cross-site scripting vulnerability in Kunal Nagar Custom 404 Pro, published on 30 Aug 2023. 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

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Kunal Nagar Custom 404 Pro plugin <= 3.8.1 versions.

Weakness: CWE-79

Which versions are affected by CVE-2023-32740?

It affects 1 product.

Products include Kunalnagar Custom 404 Pro.

How do I fix CVE-2023-32740?

No fix has been published for CVE-2023-32740 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-2023-32740 being exploited?

There is no known exploitation of CVE-2023-32740 in the wild and no public exploit code.

Sources

Also known as GHSA-vc4q-qp4q-6g4v.

Is CVE-2023-32740 in your software?

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

Check your SBOMs for free