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CVE-2024-8549

MEDIUM 6.1 CVSS 3.1
Published
September 25, 2024
Last modified
June 17, 2026
NVD status
Analyzed
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The Simple Calendar – Google Calendar Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.4.2. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected WordPress components

  • Simple Calendar – Google Calendar Plugin Plugin · google-calendar-events
    Confirmed match Active
    Up to and including 3.4.2
    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

  • simplecalendar Simple Calendar – Google Calendar Plugin — Up to and including 3.4.2
  • xtendify simple_calendar — Before 3.4.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3156894/google-calendar-events/trunk/includes/admin/notices.php Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3156894%40google-calendar-events&new=3156894%40google-calendar-events&sfp_email=&sfph_mail= Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/17ae3f22-6426-48f7-93e6-c0ad515b329a?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record