Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation
CVE-2023-3460

9.8CRITICAL

Key Information:

Vendor
Wordpress
Status
Ultimate Member
Vendor
CVE Published:
4 July 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 49%

Summary

The Ultimate Member plugin for WordPress, prior to version 2.6.7, is vulnerable to a security issue that permits unregulated account creation with arbitrary user capabilities. This flaw can be exploited by attackers to potentially create accounts with administrative privileges, posing a significant risk to site security. Ongoing exploitation of this vulnerability has been observed in the wild, making it critical for users to update to the latest version to mitigate the threats associated with unauthorized access.

Affected Version(s)

Ultimate Member 0 < 2.6.7

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-2023-3460
Created by gbrsh

CVE-2023-3460
Created by diego-tella

Mass-CVE-2023-3460
Created by yon3zu

References

https://wpscan.com/vulnerability/694235c7-4469-4ffd-a722-...
exploitvdb-entrytechnical-description
https://blog.wpscan.com/hacking-campaign-actively-exploit...

EPSS Score

49% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Unknown
Marc Montpas
WPScan
.