PT-2023-16944 · WordPress · Wp Meta Seo

Alex Sanford · Published 2023-04-10 · Updated 2025-02-11 · CVE-2023-1381

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions WP Meta SEO WordPress plugin versions prior to 4.5.5

Description The issue arises from the plugin not validating image file paths before attempting to manipulate the image files, leading to a PHAR deserialization vulnerability. Additionally, the plugin contains a gadget chain which may be used in certain configurations to achieve remote code execution.

Recommendations For versions prior to 4.5.5, update to version 4.5.5 or later to resolve the issue. As a temporary workaround, consider restricting access to image file manipulation functions until a patch is applied.

Exploit

Fix

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2023-1381

Affected Products

Wp Meta Seo

References · 7

• 🔥 https://wpscan.com/vulnerability/f140a928-d297-4bd1-8552-bfebcedba536 · Exploit
• 🔥 https://blog.wpscan.com/uncovering-a-phar-deserialization-vulnerability-in-wp-meta-seo-and-escalating-to-rce · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-1381 · Security Note
• https://osv.dev/vulnerability/CVE-2023-1381 · Vendor Advisory
• https://t.me/cibsecurity/61766 · Telegram Post
• https://t.me/cvenotify/110887 · Telegram Post
• https://t.me/cvenotify/47887 · Telegram Post