The Popup Maker plugin for WordPress has a security issue where malicious code can be injected through a parameter called ‘popupID’. This can happen in versions 1.20.4 and below because the plugin does not properly clean and protect the input and output. This means that people with Contributor-level access or higher can add harmful scripts to pages that will run whenever someone views that page.
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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