What’s Vulnerable › Vulnerabilities

CVE-2021-24716: Modern Events Calendar Lite < 5.22.3 - Authenticated Stored Cross Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-01 · updated 2026-06-17
• Weakness: CWE-79

Description

The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.

Affected products

• Modern Events Calendar Lite: before 5.22.3 — fixed in 5.22.3

How to fix

Upgrade to a fixed version: Modern Events Calendar Lite 5.22.3. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/576cc93d-1499-452b-97dd-80f69002e2a0
• https://wpscan.com/vulnerability/576cc93d-1499-452b-97dd-80f69002e2a0

Get alerted when CVE-2021-24716 or the next vulnerability affects your stack