XSS in Webnus Modern_events_calendar_lite

CVE-2021-24925

The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the current_month_divider parameter of its mec_list_load_more AJAX call (available to both unauthenticated and authenticated users) before outputtin…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (51.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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-2021-24925?
CVE-2021-24925 is a medium-severity vulnerability in Webnus Modern_events_calendar_lite, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-13.
How severe is CVE-2021-24925?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24925 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.