What’s Vulnerable › Vulnerabilities

CVE-2023-5201: OpenHook <= 4.3.0 - Authenticated (Subscriber+) Remote Code Execution via Shortcode

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-30 · updated 2026-06-17
• Weakness: CWE-94

Description

The OpenHook plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 4.3.0 via the 'php' shortcode. This allows authenticated attackers with subscriber-level permissions or above, to execute code on the server. This requires the [php] shortcode setting to be enabled on the vulnerable site.

Affected products

• brazenlygeek OpenHook: through 4.3.0

References

• https://plugins.trac.wordpress.org/browser/thesis-openhook/tags/4.3.0/inc/shortcodes.php#L28
• https://plugins.trac.wordpress.org/browser/thesis-openhook/tags/4.3.1/inc/shortcodes.php?rev=2972840#L24
• https://www.wordfence.com/threat-intel/vulnerabilities/id/37b9ed0e-5af2-47c1-b2da-8d103e4c31bf?source=cve
• https://plugins.trac.wordpress.org/browser/thesis-openhook/tags/4.3.0/inc/shortcodes.php#L28
• https://plugins.trac.wordpress.org/browser/thesis-openhook/tags/4.3.1/inc/shortcodes.php?rev=2972840#L24
• https://www.wordfence.com/threat-intel/vulnerabilities/id/37b9ed0e-5af2-47c1-b2da-8d103e4c31bf?source=cve

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