CVE-2026-110903 PUBLISHED

WordPress The Events Calendar plugin <= 6.18.1 - Cross Site Scripting (XSS) vulnerability

Assigner: Patchstack
Reserved: 15.10.2026 Published: 16.10.2026 Updated: 16.10.2026

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP The Events Calendar the-events-calendar allows Stored XSS.This issue affects The Events Calendar: from n/a through 6.18.1.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CVSS Score: 6.5

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	Required	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	Liquid Web / StellarWP
Product	The Events Calendar
Versions	Default: unaffected affected from 0 to 6.18.1 (incl.)

Solutions

Update the WordPress The Events Calendar plugin to the latest available version (at least 6.18.2).

Credits

dzaku | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/the-events-calendar/vulnerability/wordpress-the-events-calendar-plugin-6-18-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Problem Types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE

Impacts

Stored XSS