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Vulnerability record · CVE-2019-16647 · published 29 October 2019
CVE-2019-16647: Maxthon browser unquoted search path vulnerability
Maxthon · Maxthon Browser
Unquoted Search Path in Maxthon 5.1.0 to 5.2.7 Browser for Windows.
7.2 CVSS 3.1 High EPSS 2.0% · top 20.5% CWE-428 · Unquoted search path
7.2CVSS 3.1 base score, v2 9.0
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD
Description
Unquoted Search Path in Maxthon 5.1.0 to 5.2.7 Browser for Windows.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | 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 | ExploitThird Party Advisory |
| 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 | ExploitThird Party Advisory |
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
6.9CVE-2010-5246Maxthon browser vulnerabilityMultiple untrusted search path vulnerabilities in Maxthon Browser 1.6.7.35 and 2.5.15 allow local users to gain privileges via a Trojan horse (1) RSR…EPSS 0.42%6.8CVE-2008-3667Maxthon browser memory buffer overflow vulnerabilityStack-based buffer overflow in Maxthon Browser 2.0 and earlier allows remote attackers to execute arbitrary code via a long Content-type HTTP header.EPSS 6.9%4.3CVE-2009-3018Maxthon browser cross-site scripting vulnerabilityMaxthon Browser 3.0.0.145 Alpha with Ultramode does not properly block javascript: and data: URIs in Refresh headers in HTTP responses, which allows …EPSS 1.1%4.3CVE-2009-3006Maxthon browser vulnerabilityMaxthon Browser 2.5.3.80 UNICODE allows remote attackers to spoof the address bar, via window.open with a relative URI, to show an arbitrary URL on t…EPSS 1.0%
Source: NIST National Vulnerability Database (record CVE-2019-16647), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
