XSS in Suitecrm
CVE-2026-29106
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 return_id 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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (15.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.003 · change: +0.001
Affected products
- Suitecrm — versions < 7.15.1, >= 8.0.0, < 8.9.3
Weakness classification (CWE)
References
- github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-7qrj-5hj6-7c2m (Vendor Advisory)
- docs.suitecrm.com/admin/releases/7.15.x (Release Notes)
Frequently asked questions
- What is CVE-2026-29106?
- CVE-2026-29106 is a medium-severity vulnerability in Suitecrm, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2026-03-19.
- How severe is CVE-2026-29106?
- Medium severity. CVSS v3 base score is 5.9 out of 10.