CVE-2021-4338

Public Exploit

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.

Category

6.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
Third-Party Advisory wpscan.com Third-Party Advisory acunetix.com Third-Party Advisory wordfence.com
Affected: joelcj91 404 to 301 – Redirect, Log and Notify 404 Errors
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve third party advisory
https://plugins.trac.wordpress.org/changeset/2546695/404-to-301 patch
https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/ exploit
https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12 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/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-4338?
CVE-2021-4338 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4338?
To fix CVE-2021-4338, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4338 being actively exploited in the wild?
It is possible that CVE-2021-4338 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4338?
CVE-2021-4338 affects joelcj91 404 to 301 – Redirect, Log and Notify 404 Errors.
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