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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 ins...
CVE-2021-24354 · published 5 years ago
Summary
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.
What to do
- Update wpdeveloper simple_301_redirects to version 2.0.4 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| wpdeveloper | simple_301_redirects |
>= 2.0.0, < 2.0.4 cpe:2.3:a:wpdeveloper:simple_301_redirects:*:*:*:*:*:wordpress:*:* |
Original advisory text
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 ins...
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.
References
- https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668 Exploit Third Party Advisory
- https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-... Exploit Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-862Missing Authorization
Timeline
Published14 Jun 2021
Updated31 Oct 2026
First seen29 Sep 2026
Sources
CVE-2021-24354 · NVD
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