What is CVE-2025-11856?

CVE-2025-11856 is a medium-severity vulnerability in Eventbee Ticketing Widget, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-11-11.

How severe is CVE-2025-11856?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Eventbee Ticketing Widget

CVE-2025-11856

The Eventbee Ticketing Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'eventbeeticketwidget' shortcode in all versions up to, and including, 1.0. This is due to the plugin not properly sanitizing user input and output of several parameters. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Eventbee Ticketing Widget — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-11856?: CVE-2025-11856 is a medium-severity vulnerability in Eventbee Ticketing Widget, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-11-11.
How severe is CVE-2025-11856?: Medium severity. CVSS v3 base score is 6.4 out of 10.