The Newsletter Popup plugin for WordPress has a security issue in versions up to 1.2. This is because the wp_newsletter_show_items page does not properly check for valid authorization. This means that hackers can delete lists on a website if they can trick an administrator into clicking on a link.
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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