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Security Database

CVE

CWE

Training

CVE-2021-4338

Published: Jun 7, 2023

Modified: Apr 8, 2026

PUBLISHED

CVSS v3.1

6.4

MEDIUM

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.

Vendor	Product	Versions
joelcj91	404 to 301 – Redirect, Log and Notify 404 Errors	affected `0 - <= 3.0.7`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve

https://plugins.trac.wordpress.org/changeset/2546695/404-to-301

https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/

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/

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