Maxthon Browser contains a flaw that allows a remote attacker to read and
write from/to files outside of the plug-in's directory. The issue is due to the readFile() and writeFile() API functions not properly sanitizing user input, specifically traversal style attacks (../../), resulting in a loss of confidentiality and integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity
Exploit:
Exploit Public
Disclosure:
OSVDB Verified
Solution
Upgrade to version 1.2.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.