The plugin called Sign-up Sheets on WordPress has a security issue where malicious code can be injected into web pages if a user clicks on a link. This can happen because the plugin does not properly protect the URL in all versions up to 2.2.12. This means that anyone can exploit this vulnerability without having to log in.
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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