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CVE-2021-24355

4.3 · MEDIUM

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and s…

Published Jun 14, 2021CWE-862EPSS 0.72%

Overview

CVE-2021-24355 is a medium-severity vulnerability. It was published on June 14, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwpscan.com/vulnerability/ce8f9648-30fb-4fb9-894e-879dc0f26f98Refwww.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/Refwpscan.com/vulnerability/ce8f9648-30fb-4fb9-894e-879dc0f26f98Refwww.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/

How CyberStrike helps

Frequently asked questions

What is CVE-2021-24355?

CVE-2021-24355 is a medium-severity vulnerability. It was published on June 14, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2021-24355?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-24355?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-24355?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-24355 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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