Cross-site scripting in SuiteCRM - CVE-2026-29106
Published: April 24, 2026
Vulnerability identifier: #VU127411
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-29106
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: SalesAgility
Affected software:
SuiteCRM
SuiteCRM
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary script in a victim's browser.
The vulnerability exists due to cross-site scripting in the return_id parameter when handling requests that copy the parameter value into an HTML event handler attribute. A remote privileged user can send a specially crafted request to execute arbitrary script in a victim's browser.
User interaction is required for the victim to load the malicious content.
How to mitigate CVE-2026-29106
Install security update from vendor's website.