EUVD-2025-16698

| CVE-2025-3662 MEDIUM
2025-06-03 [email protected]
WordPress XSS Fancybox PHP
6.1
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

5
patch_available
Apr 16, 2026 - 05:29 EUVD
3.3.6
Analysis Generated
Mar 14, 2026 - 17:04 vuln.today
EUVD ID Assigned
Mar 14, 2026 - 17:04 euvd
EUVD-2025-16698
PoC Detected
Jun 05, 2025 - 14:09 vuln.today
Public exploit code
CVE Published
Jun 03, 2025 - 06:15 nvd
MEDIUM 6.1

DescriptionNVD

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

AnalysisAI

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

Technical ContextAI

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

RemediationAI

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

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EUVD-2025-16698 vulnerability details – vuln.today
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