🔐 CVE Alert

CVE-2021-4338

MEDIUM 6.4

404 to 301 <= 3.0.7 - Missing Authorization to Redirect Creation

CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-284
Vendor joelcj91
Product 404 to 301 – redirect, log and notify 404 errors
Published Jun 7, 2023
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

joelcj91 / 404 to 301 – Redirect, Log and Notify 404 Errors
0 ≤ 3.0.7

References

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

Credits

Jerome Bruandet