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CVE-2012-10032

Maxthon3 about:history XCS Trusted Zone Code Execution

HIGH
8.7
CVSS Score
Published: August 5, 2025 at 08:03 PM UTC
Updated: June 16, 2026 at 11:38 PM UTC
2 products affected across 2 vendorsInternational Components for UnicodeMaxthon Browser

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Severity
HIGH8.7
Exploit prediction
EPSS 1%
SSVC
PoC

Description

Maxthon3 versions prior to 3.3 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

International Components for Unicode· Icu Project
95%
3.1.7 ≤ v ≤ 3.2.2
Maxthon Browser· Maxthon
60%
3.1.7 build 600 ≤ v ≤ 3.2.2 build 10003.1.7 build 600

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

Technical DescriptionExploit
Source: [email protected]
http://blog.malerisch.net/2012/12/maxthon-cross-context-scripting-xcs-about-history-rce.html
Exploit
Source: [email protected]
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/maxthon_history_xcs.rb
Exploit
Source: [email protected]
https://www.exploit-db.com/exploits/23225
Third Party Advisory
Source: [email protected]
https://www.fortiguard.com/encyclopedia/ips/34203
Product
Source: [email protected]
https://www.maxthon.com/
Third Party Advisory
Source: [email protected]
https://www.vulncheck.com/advisories/maxthon3-xcs-trusted-zone-code-exec

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79CWE-94

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