The Custom 404 Pro plugin for WordPress is not secure in versions up to and including 3.8.1. If someone clicks on a link, it could allow unauthenticated attackers to inject malicious code into the page. This code could be used to gain access to sensitive information. To protect yourself, make sure you have the most recent version of the plugin installed.
This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!
Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:
> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21
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