CVE-2025-3662

Public Exploit
FancyBox for WordPress < 3.3.6 - Unauthenticated Stored XSS

Description

The FancyBox for WordPress plugin before 3.3.6 does not escape captions and titles attributes before using them to populate galleries' caption fields. The issue was received as a Contributor+ Stored XSS, however one of our researcher (Marc Montpas) escalated it to an Unauthenticated Stored XSS

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory wpscan.com
Affected: Unknown FancyBox for WordPress
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/4cda12f0-3c23-44ad-80ea-db2443ebcf82/ third party advisory exploit vdb entry technical description

Frequently Asked Questions

What is the severity of CVE-2025-3662?
CVE-2025-3662 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3662?
To fix CVE-2025-3662, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3662 being actively exploited in the wild?
It is possible that CVE-2025-3662 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3662?
CVE-2025-3662 affects Unknown FancyBox for WordPress.
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