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CVE-2021-24687

MEDIUM 4.8 CVSS 3.1
Published
October 4, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Description

The Modern Events Calendar Lite WordPress plugin before 5.22.2 does not escape some of its settings before outputting them in attributes, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected WordPress components

  • modern-events-calendar-lite Plugin · modern-events-calendar-lite
    Confirmed match Homeless
    From 5.22.2 (including) to 5.22.2 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Modern Events Calendar Lite — From 5.22.2 (including) to 5.22.2 (excluding)
  • webnus modern_events_calendar_lite — Before 5.22.2

References

  • wpscan.com https://wpscan.com/vulnerability/300ba418-63ed-4c03-9031-263742ed522e Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record