CVE-2023-0557

Name: CVE-2023-0557
Creator: NVD / NIST
Published: 2023-01-27T22:15:09.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2023-0557 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.91%

55.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Contentstudio	Contentstudio	< 1.2.6

References

https://plugins.trac.wordpress.org/browser/contentstudio/trunk/contentstudio-plugin.php#L709Exploit, Issue Tracking, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2851006%40contentstudio%2Ftrunk&old=2844028%40contentstudio%2Ftrunk&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/62eb136f-3cb0-40dc-a154-015a7fa1077b?source=cve
https://plugins.trac.wordpress.org/browser/contentstudio/trunk/contentstudio-plugin.php#L709Exploit, Issue Tracking, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2851006%40contentstudio%2Ftrunk&old=2844028%40contentstudio%2Ftrunk&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/62eb136f-3cb0-40dc-a154-015a7fa1077bThird Party Advisory

Timeline

Published: Jan 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0557?

How severe is CVE-2023-0557?

CVE-2023-0557 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0557?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0557?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST