HomeWordPress vulnerabilities404 to 301
404 to 301 vulnerabilities
404 to 301 has 3 known vulnerabilities in this database. The most recent published record is dated 7 Jun 2023.
- Known vulnerabilities
- 3
- Active installs
- 100,000+
- Latest version
- 4.0.5
- Last updated
- 30 Sep 2026
- Most recent
- 7 Jun 2023
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Broken access control CVE-2021-4338 | Medium 6.4 | Up to 3.0.7 | Fixed in a later version (latest 4.0.5) | 7 Jun 2023 |
| Cross-site request forgery (CSRF) CVE-2021-24766 | Medium 6.5 | Before 3.0.9 | Fixed in 3.0.9 | 8 Nov 2021 |
| SQL injection CVE-2015-9323 | Critical 9.8 | Before 2.0.3 | Fixed in 2.0.3 | 16 Aug 2019 |
Read the published descriptions
- CVE-2021-4338, 7 Jun 2023
- 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. CVE record
- CVE-2021-24766, 8 Nov 2021
- The 404 to 301 - Redirect, Log and Notify 404 Errors WordPress plugin before 3.0.9 does not have CSRF check in place when cleaning the logs, which could allow attacker to make a logged in admin delete all of them via a CSRF attack CVE record
- CVE-2015-9323, 16 Aug 2019
- The 404-to-301 plugin before 2.0.3 for WordPress has SQL injection. CVE record
What to do if you run 404 to 301
If you run 404 to 301, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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