XSS in Webnus Modern_events_calendar_lite

CVE-2021-24716

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24716?
CVE-2021-24716 is a medium-severity vulnerability in Webnus Modern_events_calendar_lite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-11-01.
How severe is CVE-2021-24716?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24716 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.