WordPress security changelog
CRITICAL CVE-2023-5201 Modified

OpenHook: Code execution

OpenHook is affected by code execution. Exploitation requires an authenticated WordPress account. Successful exploitation can run attacker-controlled code in the WordPress hosting account.

CVE / CNA score 9.9 CVSS 3.1 · security@wordfence.com
NVD score 8.8 CVSS 3.1 · nvd@nist.gov
Component
OpenHook
Plugin slug
thesis-openhook
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Sep 30, 2023
Weakness
CWE-94 — Improper Control of Generation of Code ('Code Injection')

This CVE was published Sep 30, 2023 and is one of 2 known issues for this plugin.

What to do

Update, patch or deactivate.

Update OpenHook to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical 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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Primary and upstream sources