Modern Events Calendar <= 7.21.9 - Information Exposure

5.3
Insertion of Sensitive Information Into Sent Data
CVE CVE-2025-5733
CVSS 5.3 (Medium)
Publicly Published June 5, 2025
Last Updated June 6, 2025
Researcher Abdullah Shittu

Description

The Modern Events Calendar Lite plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 7.21.9. This is due improper or insufficient validation of the id property when exporting calendars. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.

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Vulnerability Details for Modern Events Calendar Lite

Software Type Plugin
Software Slug modern-events-calendar-lite
Patched? Yes
Remediation Update to version 7.22, or a newer patched version
Affected Version
  • <= 7.21.9
Patched Version
  • 7.22

Recent vulnerabilities in Modern Events Calendar Lite

# Title CVE ID CVSS Researchers Date
1 Modern Events Calendar (Lite & Pro) <= 7.33.0 - Unauthenticated SQL Injection CVE-2026-11349 7.5 Anthony Cihan June 29, 2026
2 Modern Events Calendar Lite <= 6.3.0 - Unauthenticated SQL Injection CVE-2021-4458 5.9 July 11, 2025
3 Modern Events Calendar <= 7.12.1 - Authenticated (Subscriber+) Server Side Request Forgery CVE-2024-6522 8.5 Foxyyy August 6, 2024
4 Modern Events Calendar <= 7.11.0 - Authenticated (Subscriber+) Arbitrary File Upload CVE-2024-5441 8.8 Foxyyy July 8, 2024
5 Modern Events Calendar lite < 7.1.0 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2023-4021 4.4 Marco Wotschka September 28, 2023
6 Modern Events Calendar lite < 6.10.5 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2023-1400 4.4 Pavak Tiwari March 14, 2023
7 Modern Events Calendar Lite <= 6.2.9 - Authenticated (Contributor+) Cross-Site Scripting CVE-2022-30533 6.4 Tsutomu Aramaki June 1, 2022
8 Modern Events Calendar Lite <= 6.5.1 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2022-27848 5.5 Muhammad Daffa April 14, 2022
9 Modern Events Calendar Lite <= 6.3.0 - Stored Cross-Site Scripting CVE-2022-0364 6.4 Rohan Chaudhari February 28, 2022
10 Modern Events Calendar Lite <= 6.1.6 - Subscriber+ Category Add Leading to Stored Cross-Site Scripting CVE-2021-25046 5.4 Krzysztof Zając December 3, 2021

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