Modern Events Calendar Lite <= 5.16.4 - Authenticated Stored Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24147
CVSS Medium (6.4)
Publicly Published January 29, 2021
Last Updated January 22, 2024
Researcher Nguyen Van Khanh
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.

References

1 affected software package

Software Type Plugin
Software Slug modern-events-calendar-lite (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 5.16.4
Patched Version
  • 5.16.5
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