CVE-2021-24354: Simple 301 Redirects by BetterLinks - 2.0.0-2.0.3 - Arbitrary Plugin Installation

Published Jun 14, 2021
·
Updated

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.

Affected Software

1 affected component
WPDeveloper Simple 301 Redirects Wordpress>=2.0.0<2.0.4

Event History

Jun 14, 2021
CVE Published
via MITRE·01:37 PM
Data Sourced
via MITRE·01:37 PM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-24354?

CVE-2021-24354 is a vulnerability in the Simple 301 Redirects by BetterLinks WordPress plugin before version 2.0.4 that allows authenticated users to install arbitrary plugins on vulnerable sites.

2

How severe is CVE-2021-24354?

CVE-2021-24354 has a severity rating of 8.8 (high).

3

How does CVE-2021-24354 affect the Simple 301 Redirects plugin?

CVE-2021-24354 affects the Simple 301 Redirects by BetterLinks WordPress plugin before version 2.0.4.

4

How can I fix CVE-2021-24354?

To fix CVE-2021-24354, you should update the Simple 301 Redirects plugin to version 2.0.4 or later.

5

Where can I find more information about CVE-2021-24354?

You can find more information about CVE-2021-24354 at the following references: [Wordfence](https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/) and [WPScan](https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203