VULNERABILITY INTELLIGENCE

CVE-2021-24147

CVSS score5.4 MEDIUM
EPSS probability0.75%
CISA KEVNot currently listed
Published2021-03-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

Unvalidated input and lack of output encoding in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not sanitise the mic_comment field (Notes on time) when adding/editing an event, allowing users with privilege as low as author to add events with a Cross-Site Scripting payload in them, which will be triggered in the frontend when viewing the event.

Weakness classification

  • contact@wpscan.com: CWE-79
  • nvd@nist.gov: CWE-79

Primary references