Vulnerability in Ultimatemember Ultimate Member
CVE-2023-3460
The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at will. This is actively being exploited in the wild.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.723 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.723 · newest: 0.723 · change: 0.000
Affected products
- Ultimatemember Ultimate Member
- Ultimate Member — versions 0
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/694235c7-4469-4ffd-a722-9225b19e98d7 (Exploit, technical-description, Patch, exploit, vdb-entry)
- blog.wpscan.com/hacking-campaign-actively-exploiting-ultimate-member-plugin/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3460?
- CVE-2023-3460 is a critical-severity vulnerability in Ultimatemember Ultimate Member, classified under CWE-269 IMPROPER PRIVILEGE MANAGEMENT. CVSS score: 9.8/10. Published 2023-07-04.
- How severe is CVE-2023-3460?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-3460 known to be exploited?
- 26 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.