CVE-2021-4338

6.4 MEDIUM
Published: June 07, 2023 Modified: April 08, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/
Source: security@wordfence.com
Exploit
https://plugins.trac.wordpress.org/changeset/2546695/404-to-301
Source: security@wordfence.com
Patch
https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12
Source: security@wordfence.com
Third Party Advisory
https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/
Source: security@wordfence.com
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://plugins.trac.wordpress.org/changeset/2546695/404-to-301
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.4 / 10.0
EPSS (Exploit Probability)
0.1%
32th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-284 CWE-862

Affected Vendors

duckdev

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