Auth bypass in Mikevanwinkle Simplr Registration Form Plus\+
CVE-2023-4213
The Simplr Registration Form Plus+ plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.4.5. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for authenticated attackers with subscriber-level permissions or above to change user passwords and potentially take over administrator accounts.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4213?
- CVE-2023-4213 is a high-severity vulnerability in Mikevanwinkle Simplr Registration Form Plus\+, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2023-09-13.
- How severe is CVE-2023-4213?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-4213 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.