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TI-2023-00529 Aliases CVE-2023-0558GHSA-42mm-238w-2fxw

ContentStudio <= 1.2.5 - Authorization Bypass

Priority MEDIUM 44CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-639.

Summary

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.

Why it matters now

EPSS 0.00902 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
contentstudioContentStudioup to 1.2.5—No fix listedCNA
  • ContentStudio Vendorcontentstudio Affected up to 1.2.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:contentstudio:contentstudio:*:*:*:*:*:wordpress:*:*before 1.2.6Vulnerablecontentstudio
  • cpe:2.3:a:contentstudio:contentstudio:*:*:*:*:*:wordpress:*:* Versions before 1.2.6 Vulnerable ·contentstudio

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0558
  2. 2026-10-03 Alias added: GHSA-42mm-238w-2fxw

References

Exploit 1

Advisory 1

  • TI-2023-00527 ContentStudio <= 1.2.5 - Missing Authorization CVSS 3.1CRITICAL 9.8
  • TI-2023-00528 ContentStudio <= 1.2.5 - Information Exposure CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences