Auth bypass in Contentstudio
CVE-2023-0558
The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to an unsecure token check that is susceptible to type juggling in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to execute functions intended for use by users with proper API keys.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Contentstudio — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/c31828dc-ef94-4895-8395-a5d52… (Third Party Advisory)
- plugins.trac.wordpress.org/browser/contentstudio/trunk/contentstudio-plugin.php (Exploit, Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-0558?
- CVE-2023-0558 is a high-severity vulnerability in Contentstudio, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.2/10. Published 2023-01-27.
- How severe is CVE-2023-0558?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-0558 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.