Auth bypass in Wpdeveloper Simple 301 Redirects
CVE-2021-24356
In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, a lack of capability checks and insufficient nonce check on the AJAX action, simple301redirects/admin/activate_plugin, made it possible for authenticated users to activate arbitrary plugins installed on vulnerable sites.
Vulnerability class: Broken Access Control
EPSS: 0.030 (86.0th 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
- Wpdeveloper Simple_301_redirects
- Unknown Simple 301 Redirects By Betterlinks — versions 2.0.0, 2.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24356?
- CVE-2021-24356 is a high-severity vulnerability in Wpdeveloper Simple 301 Redirects, classified under Missing Authorization. CVSS score: 8.8/10. Published 2021-06-14.
- How severe is CVE-2021-24356?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-24356 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.