What’s Vulnerable › Vulnerabilities

CVE-2021-4338: 404 to 301 <= 3.0.7 - Missing Authorization to Redirect Creation

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-07 · updated 2026-06-17
• Weakness: CWE-284

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.

Affected products

• joelcj91 404 to 301 – Redirect, Log and Notify 404 Errors: through 3.0.7

References

• https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/
• https://plugins.trac.wordpress.org/changeset/2546695/404-to-301
• https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12
• https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve
• https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/
• https://plugins.trac.wordpress.org/changeset/2546695/404-to-301
• https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12
• https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve

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