Local File Inclusion Vulnerability in Ultimate Member Plugin by WordPress
CVE-2020-37169

6.8MEDIUM

Key Information:

Vendor

WordPress
Status
Ultimate-member
Vendor
CVE Published:
13 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37169?

The Ultimate Member Plugin version 2.1.3 for WordPress suffers from a local file inclusion vulnerability due to improper validation of the 'pack' parameter in class-admin-upgrade.php. Authenticated attackers can exploit this flaw by sending specially crafted POST requests that manipulate the pack parameter, allowing them to include arbitrary files from the packages directory. This exploitation can lead to the execution of unintended PHP files, potentially compromising the security of the affected WordPress site. It is crucial for users to address this vulnerability by updating to secure versions.

Affected Version(s)

ultimate-member 2.1.3

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-2020-37169 - Proof of Concept

References

https://www.exploit-db.com/exploits/48065
exploit
https://www.vulncheck.com/advisories/wordpress-plugin-ult...
third-party-advisory

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

mehran feizi
.