SSRF in Defaultfuction Jeson-customer-relationship-management-system
CVE-2026-4623
A security vulnerability has been detected in DefaultFuction Jeson-Customer-Relationship-Management-System up to 1b4679c4d06b90d31dd521c2b000bfdec5a36e00. This affects an unknown function of the file /api/System.php of the component API Mo…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.001 (20.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Defaultfuction Jeson-customer-relationship-management-system — versions n/a
Weakness classification (CWE)
References
- VDB-352482 | DefaultFuction Jeson-Customer-Relationship-Management-System API Module System.php server-side request forgery (technical-description, vdb-entry)
- VDB-352482 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #775760 | DefaultFuction CRM V1.0.0 Server-Side Request Forgery (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-4623?
- CVE-2026-4623 is a high-severity vulnerability in Defaultfuction Jeson-customer-relationship-management-system, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-03-24.
- How severe is CVE-2026-4623?
- High severity. CVSS v3 base score is 7.3 out of 10.