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Input validation vulnerability in WordPress Events Calendar Plugin – Pie Calendar 1.2.8

  • Severity: medium-risk
  • Status: Fixed
  • Publication: September 3, 2025

The Pie Calendar add-on for WordPress has a security issue that allows harmful code to be inserted into web pages. This can be done by someone with at least contributor-level access, and it affects versions 1.2.8 and below. This means that when a user opens one of these pages, the harmful code will run automatically.

Detected in:

Events Calendar Made Simple – Pie Calendar fixed vulnerable versions: >= * <= 1.2.8
Pie Calendar – Events Calendar Made Simple fixed vulnerable versions:
WordPress Events Calendar Plugin – Pie Calendar 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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