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CVE-2026-29100— SuiteCRM has Reflected HTML Injection in Login Page via default_user_name Parameter

Quick assessment

Affected
SuiteCRM SuiteCRM
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.

SuiteCRM是SuiteCRM团队的一个客户关系管理系统。 SuiteCRM 7.15.0版本存在跨站脚本漏洞，该漏洞源于登录页面存在反射型HTML注入，可能导致攻击者注入任意HTML内容，从而实施钓鱼攻击和页面篡改。

CVSS 7.1 · High EPSS 0.16% · P6
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I. Basic Information for CVE-2026-29100

Vulnerability Information
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Vulnerability Title
SuiteCRM has Reflected HTML Injection in Login Page via default_user_name Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. SuiteCRM 7.15.0 contains a reflected HTML injection vulnerability in the login page that allows attackers to inject arbitrary HTML content, enabling phishing attacks and page defacement. Version 7.15.1 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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
SuiteCRM 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SuiteCRM是SuiteCRM团队的一个客户关系管理系统。 SuiteCRM 7.15.0版本存在跨站脚本漏洞，该漏洞源于登录页面存在反射型HTML注入，可能导致攻击者注入任意HTML内容，从而实施钓鱼攻击和页面篡改。
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
SuiteCRM SuiteCRM < 7.15.1 -

II. Public POCs for CVE-2026-29100

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III. Intelligence Information for CVE-2026-29100

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Vendor Advisories for CVE-2026-29100 (1)

Same Patch Batch · SuiteCRM · 2026-03-19 · 18 CVEs total

CVE-2026-29103 9.1 CRITICAL SuiteCRM Vulnerable to Remote Code Execution via Module Loader Package Scanner Bypass
CVE-2026-33289 8.8 HIGH SuiterCRM has LDAP Filter Injection in Authentication Module
CVE-2026-33288 8.8 HIGH SuiteCRM has Authenticated SQL Injection in Authentication Module
CVE-2026-29099 8.8 HIGH SuiteCRM has Authenticated Blind SQL Injection in OutboundEmail Legacy Functionality.
CVE-2026-29189 8.1 HIGH SuiteCRM has a REST API V8 IDOR: Missing ACL Checks on User Preferences and Relationship E
CVE-2026-29096 8.1 HIGH SuiteCRM vulnerable to Authenticated SQL Injection via unsanitized field_function in Repor
CVE-2026-29102 7.2 HIGH SuiteCRM has Authenticated RCE in Modules
CVE-2026-29108 6.5 MEDIUM Authenticated SuiteCRM Users Can Retrieve The Password Hash of Any User
CVE-2026-32697 6.5 MEDIUM SuiteCRM: RecordHandler::getRecord() missing ACLAccess('view') check allows any authentica
CVE-2026-29106 5.9 MEDIUM SuiteCRM has blind XSS in return_id parameter
CVE-2026-29105 5.4 MEDIUM SuiteCRM has Unauthenticated Open Redirect in Leads WebToLead Capture
CVE-2026-29107 5.0 MEDIUM SuiteCRM vulnerable to authenticated SSRF via PDF export
CVE-2026-29098 4.9 MEDIUM SuiteCRM has Relative Path Traversal via ModuleBuilder Modules ExportCustom Action
CVE-2026-29101 4.9 MEDIUM SuiteCRM Vulnerable to Directory Traversal to DoS in Modules
CVE-2026-29104 2.7 LOW SuiteCRM Vulnerable to Authenticated Arbitrary File Upload via Configurator addfontresult
CVE-2026-29097 SuiteCRM Server-Side Request Forgery and Denial of Service via RSS Feed Dashlet
CVE-2026-29109 SuiteCRM Authenticated Remote Code Execution via Unsafe Deserialization in SavedSearch Fil

IV. Related Vulnerabilities

Same product: SuiteCRM
Same vendor: SuiteCRM
Same weakness: CWE-79

V. Comments for CVE-2026-29100

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