CVE-2026-29100 PUBLISHED

SuiteCRM has Reflected HTML Injection in Login Page via default_user_name Parameter

Assigner: GitHub_M
Reserved: 03.03.2026 Published: 19.03.2026 Updated: 19.03.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
CVSS Score: 7.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	SuiteCRM
Product	SuiteCRM
Versions	Version < 7.15.1 is affected

References

https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-g7hf-3j93-rwm5

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE