CVE-2026-34748— @payloadcms/next has Stored XSS in Admin Panel
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I. Basic Information for CVE-2026-34748
Vulnerability Information
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Vulnerability Title
@payloadcms/next has Stored XSS in Admin Panel
Source: NVD (National Vulnerability Database)
Vulnerability Description
Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/next, a stored Cross-Site Scripting (XSS) vulnerability existed in the admin panel. An authenticated user with write access to a collection could save content that, when viewed by another user, would execute in their browser. This issue has been patched in version 3.78.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Payload 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Payload是一个使用 TypeScript、Node.js、React 和 MongoDB 构建的 Headless CMS 和应用程序框架。 Payload 3.78.0之前版本存在跨站脚本漏洞，该漏洞源于管理面板中未正确清理用户输入，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 |
|---|---|---|---|---|
| payloadcms | payload | < 3.78.0 | - |
II. Public POCs for CVE-2026-34748
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · payloadcms · 2026-04-01 · 6 CVEs total
| CVE-2026-34751 | 9.1 CRITICAL | Payload has Unvalidated Input in Password Recovery Endpoints |
| CVE-2026-34747 | 8.5 HIGH | Payload has an SQL Injection via Query Handling |
| CVE-2026-34746 | 7.7 HIGH | Payload has Authenticated SSRF via Upload Functionality |
| CVE-2026-34750 | 6.5 MEDIUM | Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints |
| CVE-2026-34749 | 5.4 MEDIUM | Payload has a CSRF Protection Bypass in Authentication Flow |
IV. Related Vulnerabilities
Same product: payload
- CVE-2026-34750
Payload has Insufficient Filename Validation in Client-Uploa - CVE-2026-34749
Payload has a CSRF Protection Bypass in Authentication Flow - CVE-2026-34747
Payload has an SQL Injection via Query Handling - CVE-2026-34746
Payload has Authenticated SSRF via Upload Functionality - CVE-2026-34751
Payload has Unvalidated Input in Password Recovery Endpoints
Same vendor: payloadcms
- CVE-2026-34750
Payload has Insufficient Filename Validation in Client-Uploa - CVE-2026-34749
Payload has a CSRF Protection Bypass in Authentication Flow - CVE-2026-34747
Payload has an SQL Injection via Query Handling - CVE-2026-34746
Payload has Authenticated SSRF via Upload Functionality - CVE-2026-34751
Payload has Unvalidated Input in Password Recovery Endpoints
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2026-34748
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