Is CVE-2023-0558 actively exploited?

No active exploitation of CVE-2023-0558 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-0558 be exploited remotely?

Yes. CVE-2023-0558 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-0558?

CVE-2023-0558 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-0558

CWE-639Published: January 27, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Risk Analysis

The ContentStudio plugin for WordPress suffers from an authorization bypass due to insecure token handling. This allows unauthenticated attackers to execute functions restricted to authorized users, posing a critical risk.

No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Update the ContentStudio plugin to a version beyond 1.2.5. Disable the plugin if an update is not immediately available.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-0558 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.