Auth bypass in Profilepress
CVE-2021-34621
A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .
Vulnerability class: Privilege Escalation
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: 0.689 (99.3th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.689 · newest: 0.689 · change: 0.000
Affected products
- Profilepress — versions 3.0.0 - 3.1.3
- Properfraction Profilepress
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/blog/2021/06/easily-exploitable-critical-vulnerabilities-patc… (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/163973/WordPress-ProfilePress-3.1.3-Privilege-Esc… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-34621?
- CVE-2021-34621 is a critical-severity vulnerability in Profilepress, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2021-07-07.
- How severe is CVE-2021-34621?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-34621 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.