Zstore, now referred to as Zippy CRM, 6.5.4 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts through unvalidated input parameters. Attackers can submit crafted payloads in manual insertion points to execute arbitrary JavaScript code in victim's browser context.
Conclusion & alert: CVE-2023-53985 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 0.24% | +0.19% |
| 2 | 2026-06-11 | 0.07% | 0.05% | -0.02% |
| 3 | 2026-02-28 | — | 0.07% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| URL | Tags |
|---|---|
| https://github.com/leon-mbs/zstore | Product |
| https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/zippy/zstore-6.5.4 | Exploit |
| https://www.exploit-db.com/exploits/51207 | Exploit Third Party Advisory |
| https://www.vulncheck.com/advisories/zstore-reflected-cross-site-scripting-xss | Third Party Advisory |
| https://zippy.com.ua/ | Product |