CVE-2021-4338

MEDIUM 5.4CVE-2021-4338 · Published 07/06/2023 · updated 17/06/2026

Package	Affected versions	Patched versions
404 to 301 duckdev	`≤ 3.0.7`	No fix yet

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.

References

blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin · Exploit
plugins.trac.wordpress.org/changeset/2546695/404-to-301 · Patch
wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12 · Third Party Advisory
acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7 · Third Party Advisory
wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b · Third Party Advisory

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