Modern Events Calendar Lite <= 6.1.0 - Reflected Cross-Site Scripting via current_month_divider parameter

6.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24925
CVSS 6.1 (Medium)
Publicly Published November 15, 2021
Last Updated January 22, 2024
Researcher Krzysztof Zając - CERT PL

Description

The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the current_month_divider parameter of its mec_list_load_more AJAX call (available to both unauthenticated and authenticated users) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue

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Vulnerability Details for Modern Events Calendar Lite

Software Type Plugin
Software Slug modern-events-calendar-lite (view on wordpress.org)
Patched? Yes
Remediation Update to version 6.1.5, or a newer patched version
Affected Version
  • <= 6.1.0
Patched Version
  • 6.1.5

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