Maxthon3 about:history XCS Trusted Zone Code Execution

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2012-10032
StatePUBLISHED
AssignerVulnCheck
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-05 20:15:34 UTC
Updated2026-04-15 00:35:42 UTC
DescriptionMaxthon3 version 3.2.2 build 1000 and prior are vulnerable to cross context scripting (XCS) via the about:history page. The browser’s trusted zone improperly handles injected script content, allowing attackers to execute arbitrary JavaScript in a privileged context. This flaw enables modification of browser configuration and execution of arbitrary code through Maxthon’s exposed DOM APIs, including maxthon.program.Program.launch() and maxthon.io.writeDataURL(). Exploitation requires user interaction, typically by visiting a malicious webpage that triggers the injection.

Risk And Classification

Primary CVSS: v4.0 8.7 HIGH from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.429680000 probability, percentile 0.975450000 (date 2026-05-28)

Problem Types: CWE-79 | CWE-94 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS8.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Maxthon International Ltd. Maxthon3 Browser affected 3.1.7 build 600 3.2.2 build 1000 custom Not specified

References

ReferenceSourceLinkTags
blog.malerisch.net/2012/12/maxthon-cross-context-scripting-xcs-about-history-rce... [email protected] blog.malerisch.net
raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/b... [email protected] raw.githubusercontent.com
www.exploit-db.com/exploits/23225 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.exploit-db.com
www.maxthon.com [email protected] www.maxthon.com
www.fortiguard.com/encyclopedia/ips/34203 [email protected] www.fortiguard.com
www.vulncheck.com/advisories/maxthon3-xcs-trusted-zone-code-exec [email protected] www.vulncheck.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Roberto Suggi Liverani (en)

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