CVE-2024-3903— Add Custom CSS and JS <= 1.20 - Stored XSS via CSRF
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I. Basic Information for CVE-2024-3903
Vulnerability Information
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Vulnerability Title
Add Custom CSS and JS <= 1.20 - Stored XSS via CSRF
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Add Custom CSS and JS WordPress plugin through 1.20 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in as author and above add Stored XSS payloads via a CSRF attack
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 Add Custom CSS and JS 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 Add Custom CSS and JS 1.20 版本及之前版本存在安全漏洞，该漏洞源于缺少CSRF检查。
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 | Add Custom CSS and JS | 0 ~ 1.20 | - |
II. Public POCs for CVE-2024-3903
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://wpscan.com/vulnerability/0a0e7bd4-948d-47c9-9219-380bda9f3034/exploitvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2024-3903
Same Patch Batch · Unknown · 2024-05-09 · 4 CVEs total
| CVE-2023-5971 | Save as PDF < 3.2.0 - Admin+ Stored XSS | |
| CVE-2024-3582 | Ungallery <= 2.2.4 - Stored XSS via CSRF | |
| CVE-2024-3590 | LetterPress <= 1.2.2 - Subscriber Deletion via CSRF |
IV. Related Vulnerabilities
Same vendor: Unknown
- CVE-2026-6433
Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection t - CVE-2026-4935
SureTriggers < 1.1.23 – Unauthenticated SQLi - CVE-2026-5335
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-2024-3903
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