CVE-2023-0557

ContentStudio <= 1.2.5 - Information Exposure

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.91%Unchanged since Jan 28, 2023

What each source reports

CVE List Score used 7.5

ContentStudio <= 1.2.5 - Information Exposure

Record: CVE-2023-0557
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-200
Updated: 2026-11-02

EUVDEUVD-2023-12602 7.5

Record: EUVD-2023-12602
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-frcq-7vxc-3px2 5.3

The ContentStudio plugin for WordPress is vulnerable to Sensitive Information Exposure in...

Record: GHSA-frcq-7vxc-3px2
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

NVD 7.5

Record: CVE-2023-0557
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

Affected products

contentstudio

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-0557 is a high vulnerability (CVSS 7.5) in Contentstudio, published January 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 59th percentile. No source names a fixed version.