CVE-2023-0603 Sloth Logo Customizer <= 2.0.2 - Stored XSS via CSRF

High 8.8 Published Updated

Attackers can inject stored XSS payloads into admin settings via CSRF, potentially leading to code execution or session hijacking.

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-2023-0603?

CVE-2023-0603 is a high-severity cross-site scripting vulnerability in Unknown Sloth Logo Customizer, published on 8 May 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

The Sloth Logo Customizer WordPress plugin through 2.0.2 does not have CSRF check when updating its settings, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack

Which versions are affected by CVE-2023-0603?

It affects 1 product.

Products include Sloth Logo Customizer Project Sloth Logo Customizer.

How do I fix CVE-2023-0603?

No fix has been published for CVE-2023-0603 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-2023-0603 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0603 exists.

Sources

Also known as GHSA-8w4v-gwwm-c5mp.

Is CVE-2023-0603 in your software?

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

Check your SBOMs for free