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CVE-2023-4423

MEDIUM 4.8 CVSS 3.1
Published
September 27, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.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 WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected WordPress components

  • WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce Plugin · wp-event-manager
    Confirmed match Active
    Up to and including 3.1.37.1
    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

  • wpeventmanager WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce — Up to and including 3.1.37.1
  • wp-eventmanager wp_event_manager — Before 3.1.38

References

  • github.com https://github.com/Jacky-Y/vuls/blob/main/vul5.md Exploit, Third Party Advisory
  • github.com https://github.com/wpeventmanager/wp-event-manager/issues/1483 Exploit, Issue Tracking, Patch, Vendor Advisory
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2969034%40wp-event-manager%2Ftrunk&old=2953169%40wp-event-manager%2Ftrunk&sfp_email=&sfph_mail= Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/dd9d22b0-a84a-4bf2-b8b4-89bae2970f29?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record