Auth bypass in Wpdeveloper Simple 301 Redirects
CVE-2021-24354
A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, made it possible for authenticated users to install arbitrary plugins on vulnerable sites.
Vulnerability class: Broken Access Control
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.015 (72.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Wpdeveloper Simple 301 Redirects
- Simple 301 Redirects By Betterlinks — versions 2.0.0, 2.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-red… (Exploit, Third Party Advisory)
- wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24354?
- CVE-2021-24354 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-2021-24354?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-24354 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.