Input validation vulnerability in Newsletter Popup 1.2

The Newsletter Popup plugin for WordPress has a security issue that allows hackers to add harmful code to web pages. This can happen when the plugin is used in versions 1.2 and earlier because the input and output are not properly checked for malicious code. Hackers can take advantage of this vulnerability to insert their own code on pages, which will run whenever someone visits that page.

Detected in:

Newsletter Popup open vulnerable versions: >= * <= 1.2

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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