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Input validation vulnerability in LifterLMS – WordPress LMS Plugin for Courses & eLearning 4.21.1

  • Severity: medium-risk
  • Status: Fixed
  • Publication: April 29, 2021

The LifterLMS plugin for WordPress has a security vulnerability that allowed attackers to inject code into web pages. This vulnerability affected versions up to, and including, 4.21.0 and was due to the plugin not properly sanitizing and escaping inputs. Attackers could take advantage of this vulnerability by tricking a user into clicking a link, allowing them to inject code.

Detected in:

LifterLMS – WordPress LMS for eLearning fixed vulnerable versions:
LifterLMS – WordPress LMS Plugin for eLearning fixed vulnerable versions:
LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes 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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