CVE-2025-3662— FancyBox for WordPress < 3.3.6 - Unauthenticated Stored XSS
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I. Basic Information for CVE-2025-3662
Vulnerability Information
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Vulnerability Title
FancyBox for WordPress < 3.3.6 - Unauthenticated Stored XSS
Source: NVD (National Vulnerability Database)
Vulnerability 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
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin FancyBox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin FancyBox 3.3.6之前版本存在安全漏洞，该漏洞源于标题属性转义不足，可能导致存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Unknown | FancyBox for WordPress | 0 ~ 3.3.6 | - |
II. Public POCs for CVE-2025-3662
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Unknown · 2025-06-03 · 3 CVEs total
| CVE-2025-4567 | Post Slider and Carousel with Widget < 3.2.10 - Admin+ Stored XSS | |
| CVE-2025-3584 | Newsletter < 8.8.2 - Admin+ Stored XSS via Subscription |
IV. Related Vulnerabilities
Same vendor: Unknown
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Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
V. Comments for CVE-2025-3662
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