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Input validation vulnerability in Popup Builder by OptinMonster – WordPress Popups for Optins, Email Newsletters and Lead Generation 2.15.3

  • Severity: medium-risk
  • Status: Fixed
  • Publication: April 26, 2024

The OptinMonster plugin for WordPress has a security issue called Cross-Site Request Forgery. This can affect all versions up to 2.15.3. The problem is that the plugin does not properly check for a unique code when dismissing certain notifications. This means that attackers who are not logged into the website can trick the website’s administrator into taking an action, like clicking on a link, that will allow them to dismiss important notices.

Detected in:

Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation fixed vulnerable versions:
Popup Builder by OptinMonster – WordPress Popups for Optins, Email Newsletters and Lead Generation fixed vulnerable versions: >= * <= 2.15.3
WordPress Popup Builder & Popup Maker – OptinMonster Email Marketing and Lead Generation fixed vulnerable versions:

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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