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CVE-2021-4338

6.4 · MEDIUM

The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect & save_redirect functions in versions up to, and including, 3.0.7.

Published Jun 7, 2023CWE-284EPSS 0.62%

Overview

CVE-2021-4338 is a medium-severity vulnerability. It was published on June 7, 2023 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect & save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.

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

Refblog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/Refplugins.trac.wordpress.org/changeset/2546695/404-to-301Refwpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12Refwww.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/Refwww.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cveRefblog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/Refplugins.trac.wordpress.org/changeset/2546695/404-to-301Refwpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12Refwww.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/Refwww.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2021-4338?

CVE-2021-4338 is a medium-severity vulnerability. It was published on June 7, 2023 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2021-4338?

This vulnerability has a CVSS 3.1 base score of 6.4, 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-2021-4338?

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-2021-4338?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-4338 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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