CVE-2026-14819
Received Received - Intake

Stored XSS in Event Tickets and Registration WordPress Plugin

Publication date: 2026-07-28

Last updated on: 2026-07-28

Assigner: WPScan

Description
The Event Tickets and Registration WordPress plugin before 5.28.4 does not properly escape event titles before outputting them in a ticket history log, allowing users with the Editor role and above to perform Stored Cross-Site Scripting attacks that execute against higher-privileged users on multisite installations.

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Meta Information

Published
2026-07-28
Last Modified
2026-07-28
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
CVE-2026-14819
EUVD
EUVD-2026-49699

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
moderntribe event_tickets to 5.28.4 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the Event Tickets WordPress plugin before version 5.28.4. It occurs because event titles are not properly escaped before being logged in ticket history. Users with Editor role or higher can inject malicious JavaScript via event titles, which executes when higher-privileged users view the ticket history.

Detection Guidance

Check the installed version of the Event Tickets plugin using WordPress admin panel or run: wp plugin list | grep event-tickets. If the version is below 5.28.4, the system is vulnerable.

Impact Analysis

An attacker with Editor access could steal session cookies or perform actions as an Administrator or Super Admin. This could lead to unauthorized changes to the WordPress site, data theft, or further compromise of the multisite installation.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate GDPR (data protection) or HIPAA (health data privacy) requirements. Organizations must ensure proper security controls to maintain compliance.

Mitigation Strategies

Update the Event Tickets plugin to version 5.28.4 or later immediately. If immediate update is not possible, restrict Editor roles from modifying event titles or disable the ticket history log feature as a temporary workaround.

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