Remote code execution in Allow PHP in Posts and Pages plugin for WordPress

1) Code Injection

EUVDB-ID: #VU80892

Risk: Medium

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-4994

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the "php" shortcode. A remote user can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Allow PHP in Posts and Pages: 3.0.4

External links

http://plugins.trac.wordpress.org/browser/allow-php-in-posts-and-pages/trunk/allowphp.php#L373
http://www.wordfence.com/threat-intel/vulnerabilities/id/3d8b4bb6-3715-40c1-8140-7fcf874ccec3?source=cve

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.