CVE-2026-71503— Dolibarr < 24.0.0 Reflected XSS via Extra Fields Administration Template
Quick assessment
Affected
Dolibarr dolibarr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Dolibarr是Dolibarr基金会开源的一款企业资源计划系统。 Dolibarr 24.0.0之前版本存在跨站脚本漏洞，该漏洞源于extra fields管理模板中type请求参数未进行JavaScript上下文编码即回显至内联脚本块，且未发送Content-Security-Policy标头，可能导致未经身份验证的攻击者诱使已认证管理员打开特制URL，从而执行任意JavaScript并创建持久管理员账户。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1078 · Valid Accounts T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-71503
Vulnerability Information
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Vulnerability Title
Dolibarr < 24.0.0 Reflected XSS via Extra Fields Administration Template
Source: CVE Program / CVE List V5
Vulnerability Description
Dolibarr before 24.0.0 contains a reflected cross-site scripting vulnerability in the extra fields administration template where the type request parameter is echoed without JavaScript-context encoding into an inline script block and no Content-Security-Policy header is emitted. An unauthenticated attacker can cause an authenticated administrator to open a crafted URL to execute arbitrary JavaScript in that session and create a persistent administrator account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Dolibarr 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dolibarr是Dolibarr基金会开源的一款企业资源计划系统。 Dolibarr 24.0.0之前版本存在跨站脚本漏洞，该漏洞源于extra fields管理模板中type请求参数未进行JavaScript上下文编码即回显至内联脚本块，且未发送Content-Security-Policy标头，可能导致未经身份验证的攻击者诱使已认证管理员打开特制URL，从而执行任意JavaScript并创建持久管理员账户。
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
II. Public POCs for CVE-2026-71503
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-71503 (1)
Vendor Advisories for CVE-2026-71503 (1)
Security Blog Posts for CVE-2026-71503 (1)
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🔗 CVE-2026-71503: Dolibarr Reflected XSS to Administrator Account Takeover Read full article technical-description exploit
Vendor Pages for CVE-2026-71503 (1)
Same Patch Batch · Dolibarr · 2026-08-24 · 11 CVEs total
| CVE-2026-71506 | 8.1 HIGH | Dolibarr < 24.0.0 Payments REST API Improper Authorization via Delete Endpoint |
| CVE-2026-71504 | 8.1 HIGH | Dolibarr < 24.0.0 Members REST API Improper Authorization via Password Reset |
| CVE-2026-71505 | 7.1 HIGH | Dolibarr < 24.0.0 REST API Broken Object-Level Authorization via Third-Party Write Route |
| CVE-2026-71511 | 6.5 MEDIUM | Dolibarr < 24.0.0 Members REST API Sensitive Data Exposure via Member Endpoints |
| CVE-2026-71510 | 6.5 MEDIUM | Dolibarr < 24.0.0 Users REST API SQL Injection via filter parameter |
| CVE-2026-71508 | 6.5 MEDIUM | Dolibarr < 24.0.0 REST API Improper Authorization via User Update Endpoint |
| CVE-2026-71507 | 6.5 MEDIUM | Dolibarr < 24.0.0 REST API Broken Object-Level Authorization via Bank Account Routes |
| CVE-2026-71509 | 6.5 MEDIUM | Dolibarr < 24.0.0 Expense Report REST API Improper Authorization via Update Endpoint |
| CVE-2026-78160 | 6.3 MEDIUM | Dolibarr ERP User Notes note.php authorization |
| CVE-2026-77923 | 4.3 MEDIUM | Dolibarr 21.0.0 < 24.0.0 Authorization Bypass via clonetasks Mass Action |
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V. Comments for CVE-2026-71503
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