FancyBox

FancyBox has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched as of September 2026. Their average CVSS score is 6.1, and the most serious one scores 6.1 out of 10.

The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).

The one issue recorded for FancyBox has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2025.

All of these findings were reported by johska. FancyBox is installed on roughly 4,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 3.5.2.

Strategic Overview

Avg CVSSMedium

6.1/ 10

Patch Coverage0%

Open

Fixed

Get automatic notifications for all FancyBox vulnerabilities before they are exploited.

Most severe open issueCVSS 6.1CVE-2025-28935

FancyBox <= 1.0.1 - Reflected Cross-Site Scripting

Read the full analysis

Vulnerability Records

1 records


2025-03-21 00:00	FancyBox <= 1.0.1 - Reflected Cross-Site Scripting FancyBox <= 1.0.1	`CVE-2025-28935`	6.1 Medium	johska	No

Showing 1–1 of 1 reports

Plugin Profile

Latestv1.1.0

FancyBox

Author

Kevin Sylvestre

2.8(9)

56/100

Last Updated

2017-11-28 (9y ago)

Active Installs

4,000+

Downloads

287,509

Requires WP

2.7+

Requires PHP

Tested up to

WP 3.5.2

Created

2009-06-16 (18y ago)

This plugin uses the jquery implementation of fancybox and makes use of [attr] style selectors by adding a section to the wordpress header. For more information and examples of slimbox visit: FancyBox

View on WordPress.org