Unquoted Search Path in Maxthon 5.1.0 to 5.2.7 Browser for Windows.
Conclusion & alert: CVE-2019-16647 is rated High Exploit Risk (68.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.64%). Core evidence: 1 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 ↗ |
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 | 2025-12-05 | 0.52% | 0.64% | +0.12% |
| 2 | 2025-09-13 | 0.62% | 0.52% | -0.10% |
| 3 | 2025-03-30 | — | 0.62% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| maxthon | maxthon_browser | >= 5.1.0, <= 5.2.7 | cpe:2.3:a:maxthon:maxthon_browser:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://forum.maxthon.com/index.php?/topic/24472-unquoted-search-path-and-potential-abuses/ | Third Party Advisory |
| https://safebreach.com/Post/Maxthon-Browser-for-Windows-Unquoted-Search-Path-and-Potential-Abuses-CVE-2019-16647 | Exploit Third Party Advisory |