What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-01-27 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• ContentStudio: before 1.2.6 — fixed in 1.2.6

How to fix

Upgrade to a fixed version: ContentStudio 1.2.6. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/contentstudio/trunk/contentstudio-plugin.php#L709
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2851006%40contentstudio%2Ftrunk&old=2844028%40contentstudio%2Ftrunk&sfp_email=&sfph_mail=
• 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#L709
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2851006%40contentstudio%2Ftrunk&old=2844028%40contentstudio%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/62eb136f-3cb0-40dc-a154-015a7fa1077b

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