CSRF in Ultimatemember Ultimate Member
CVE-2024-8520
The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.8.6. This is due to missing or incorrect nonce validation on the admin_init or user_action_hook function. This makes it possible for unauthenticated attackers to modify a users membership status via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/7ffddc03-d4ae-460e-972a-98804… (Third Party Advisory)
- github.com/ultimatemember/ultimatemember/blob/7b8a7a7c039bde4539c07e049b1903619… (Product)
- github.com/ultimatemember/ultimatemember/blob/7b8a7a7c039bde4539c07e049b1903619… (Product)
- github.com/ultimatemember/ultimatemember/blob/7b8a7a7c039bde4539c07e049b1903619… (Product)
- github.com/ultimatemember/ultimatemember/blob/7b8a7a7c039bde4539c07e049b1903619… (Product)
- github.com/ultimatemember/ultimatemember/blob/7b8a7a7c039bde4539c07e049b1903619… (Product)
- github.com/ultimatemember/ultimatemember/blob/7b8a7a7c039bde4539c07e049b1903619… (Product)
- github.com/ultimatemember/ultimatemember/blob/7b8a7a7c039bde4539c07e049b1903619… (Product)
- github.com/ultimatemember/ultimatemember/pull/1549 (Patch)
- plugins.trac.wordpress.org/changeset/3160947/ultimate-member/trunk/includes/adm… (Patch)
Frequently asked questions
- What is CVE-2024-8520?
- CVE-2024-8520 is a medium-severity vulnerability in Ultimatemember Ultimate Member, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.3/10. Published 2024-10-04.
- How severe is CVE-2024-8520?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2024-8520 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.