CVE-2021-24354

Public Exploit
Simple 301 Redirects by BetterLinks - 2.0.0-2.0.3 - Arbitrary Plugin Installation

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.87% Top 30%
Third-Party Advisory wpscan.com Third-Party Advisory wordfence.com
Affected: Unknown Simple 301 Redirects by BetterLinks
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/ third party advisory exploit
https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-24354?
CVE-2021-24354 has been scored as a high severity vulnerability.
How to fix CVE-2021-24354?
To fix CVE-2021-24354, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24354 being actively exploited in the wild?
It is possible that CVE-2021-24354 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24354?
CVE-2021-24354 affects Unknown Simple 301 Redirects by BetterLinks.
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