WP Meta SEO < 4.5.5 - Author+ PHAR Deserialization
CVE-2023-1381

8.8HIGH

Key Information:

Vendor
Wordpress
Status
WP Meta Seo
Vendor
CVE Published:
10 April 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The WP Meta SEO plugin for WordPress, prior to version 4.5.5, contains a vulnerability that allows the manipulation of image files without valid path verification. This flaw can be exploited to trigger a PHAR deserialization issue, which in certain environments, may lead to remote code execution through a crafted payload. Such vulnerabilities pose significant security risks, enabling attackers to execute arbitrary code on the server hosting the vulnerable plugin.

Affected Version(s)

WP Meta SEO 0 < 4.5.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-1381 - Proof of Concept

References

https://wpscan.com/vulnerability/f140a928-d297-4bd1-8552-...
exploitvdb-entrytechnical-description
https://blog.wpscan.com/uncovering-a-phar-deserialization...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alex Sanford
WPScan
.