What’s Vulnerable › Vulnerabilities

CVE-2021-24146: Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 31.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-18 · updated 2026-06-17
• Weakness: CWE-284

Description

Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.

Affected products

• Modern Events Calendar Lite: before 5.16.5 — fixed in 5.16.5

How to fix

Upgrade to a fixed version: Modern Events Calendar Lite 5.16.5. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/163345/WordPress-Modern-Events-Calendar-5.16.2-Information-Disclosure.html
• https://wpscan.com/vulnerability/c7b1ebd6-3050-4725-9c87-0ea525f8fecc
• http://packetstormsecurity.com/files/163345/WordPress-Modern-Events-Calendar-5.16.2-Information-Disclosure.html
• https://wpscan.com/vulnerability/c7b1ebd6-3050-4725-9c87-0ea525f8fecc

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