CVE-2026-14819 Event Tickets < 5.28.4 - Editor+ Stored XSS via Ticket Move
Editors can inject malicious scripts via event titles in ticket logs, leading to XSS attacks against higher-privileged users on multisite installations.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-14819?
CVE-2026-14819 is a low-severity cross-site scripting vulnerability in Unknown Event Tickets and Registration, published on 28 Jul 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-14819?
How do I fix CVE-2026-14819?
No fix has been published for CVE-2026-14819 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-14819 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14819 exists.
Sources
Also known as GHSA-c5f6-6q68-hmm6.