CVE-2026-29106: SuiteCRM has blind XSS in return_id parameter
SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to versions 7.15.1 and 8.9.3, the value of the returnid request parameter is copied into the value of an HTML tag attribute which is an event handler and is encapsulated in double quotation marks. Versions 7.15.1 and 8.9.3 patch the issue. Users should also use a Content Security Policy (CSP) header to completely mitigate XSS.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-29106?
CVE-2026-29106 has a high severity due to its potential for blind XSS attacks that can compromise user data.
How do I fix CVE-2026-29106?
To fix CVE-2026-29106, upgrade SuiteCRM to versions 7.15.1 or 8.9.3 or later.
What kind of attack does CVE-2026-29106 allow?
CVE-2026-29106 allows attackers to execute malicious scripts via a blind XSS vulnerability.
Which versions of SuiteCRM are affected by CVE-2026-29106?
SuiteCRM versions prior to 7.15.1 and 8.9.3 are affected by CVE-2026-29106.
Is CVE-2026-29106 a critical vulnerability?
CVE-2026-29106 is considered critical due to its exploitation potential in web applications.