CVE-2023-0557 ContentStudio <= 1.2.5 - Information Exposure

Q: What is CVE-2023-0557?

CVE-2023-0557 is a high-severity vulnerability in ContentStudio, published on 27 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Q: Is CVE-2023-0557 being exploited?

There is no known exploitation of CVE-2023-0557 in the wild and no public exploit code.

Q: How do I fix CVE-2023-0557?

No fix has been published for CVE-2023-0557 yet. Limit exposure of the affected software until one is available.

High 7.5 Published 27 Jan 2023 Updated 8 Apr 2026

Unauthenticated attackers can obtain a nonce required for post creation, exposing sensitive information in the ContentStudio WordPress plugin.

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-2023-0557?

CVE-2023-0557 is a high-severity vulnerability in ContentStudio, published on 27 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ContentStudio plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 1.2.5. This could allow unauthenticated attackers to obtain a nonce needed for the creation of posts.

Weakness: CWE-200

Which versions are affected by CVE-2023-0557?

It affects 1 product.

Products include Contentstudio Contentstudio.

How do I fix CVE-2023-0557?

No fix has been published for CVE-2023-0557 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-0557 being exploited?

There is no known exploitation of CVE-2023-0557 in the wild and no public exploit code.

Sources

Also known as GHSA-frcq-7vxc-3px2.