CVE-2026-123469 PUBLISHED

WordPress The Events Calendar plugin <= 6.18.3 - Content Injection vulnerability

Assigner: Patchstack
Reserved: 06.11.2026 Published: 07.11.2026 Updated: 07.11.2026

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Liquid Web / StellarWP The Events Calendar the-events-calendar allows Code Injection.This issue affects The Events Calendar: from n/a through 6.18.3.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Liquid Web / StellarWP
Product	The Events Calendar
Versions	Default: unaffected affected from 0 to 6.18.3 (incl.)

Solutions

Update the WordPress The Events Calendar plugin to the latest available version (at least 6.18.3.1).

Credits

Filip Kowalski | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/the-events-calendar/vulnerability/wordpress-the-events-calendar-plugin-6-18-3-content-injection-vulnerability?_s_id=cve

Problem Types

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) CWE

Impacts

Code Injection