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WordPress Security Plugins Don’t Prevent Disclosure of One-Time Password Through Exploited Plugin Vulnerability

via pluginvulnerabilities.com => original post link

A month ago, we saw a hacker looking to exploit a vulnerability that had recently been fixed in the WordPress plugin User Verification. That vulnerability discovered by Lana Codes involved the plugin’s functionality to email a one-time password for logging in to WordPress. The problem with the functionality is that it didn’t just email the password, it also sent it back as part of the response from the request to have it emailed. So an attacker could submit the request to have that emailed for a WordPress user’s account, get the password that was only supposed to be emailed, and then log in to that account.

Trying to prevent an information disclosure issue like this would be difficult for a WordPress security plugin without being aware of the particular vulnerability, as it would have to realize that something that shouldn’t be disclosed is being disclosed, so it would be unlikely that a security plugin would provide protection. Our own firewall plugin, Plugin Vulnerabilities Firewall, doesn’t have protection against such a situation, but we are always looking to see how we might be able to expand its protection, so we were curious to see if any other plugins provided protection. [Read more]