What’s Vulnerable › Vulnerabilities

CVE-2021-24946: Modern Events Calendar < 6.1.5 - Unauthenticated Blind SQL Injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 72.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-13 · updated 2026-06-17
• Weakness: CWE-89

Description

The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the time parameter before using it in a SQL statement in the mec_load_single_page AJAX action, available to unauthenticated users, leading to an unauthenticated SQL injection issue

Affected products

• Modern Events Calendar Lite: before 6.1.5 — fixed in 6.1.5

How to fix

Upgrade to a fixed version: Modern Events Calendar Lite 6.1.5. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/165742/WordPress-Modern-Events-Calendar-6.1-SQL-Injection.html
• https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-24946
• https://wpscan.com/vulnerability/09871847-1d6a-4dfe-8a8c-f2f53ff87445
• http://packetstormsecurity.com/files/165742/WordPress-Modern-Events-Calendar-6.1-SQL-Injection.html
• https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-24946
• https://wpscan.com/vulnerability/09871847-1d6a-4dfe-8a8c-f2f53ff87445

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