CVE-2021-24946

Name: CVE-2021-24946
Creator: NVD / NIST
Published: 2021-12-13T11:15:09.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 73.41%

Last modified Jun 17, 2026

CVE-2021-24946 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 73.41% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

73.41%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Webnus	Modern Events Calendar Lite	< 6.1.5

References

http://packetstormsecurity.com/files/165742/WordPress-Modern-Events-Calendar-6.1-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-24946Exploit, Third Party Advisory
https://wpscan.com/vulnerability/09871847-1d6a-4dfe-8a8c-f2f53ff87445Exploit, Third Party Advisory
http://packetstormsecurity.com/files/165742/WordPress-Modern-Events-Calendar-6.1-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-24946Exploit, Third Party Advisory
https://wpscan.com/vulnerability/09871847-1d6a-4dfe-8a8c-f2f53ff87445Exploit, Third Party Advisory

Timeline

Published: Dec 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24946?

How severe is CVE-2021-24946?

CVE-2021-24946 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 73.41% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24946?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24946?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST