A plugin called Simple Popup Plugin for WordPress has a security issue that allows attackers to insert harmful code into web pages. This can happen because the plugin does not properly filter and protect user input. Only users with certain levels of access can do this, but it is still a risk.
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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