BugTraq
Dreammail 5 mail client XSS Vulnerability Jul 22 2016 03:45AM
wwiinngd gmail com
Title: Dreammail 5 mail client XSS Vulnerability
Software : Dreammail

Software Version : v5.16

Vendor: www.dreammail.org

Vulnerability Published : 2016-03-21

Author:zhenwei_qi
Email:wwiinngd (at) gmail (dot) com [email concealed]
Impact : Medium(CVSS2 Base : 4.3, AV:N/AC:M/Au:N/C:N/I:P/A:N)

Bug Description :
DreamMail is an email client application, which allows its users to send, receive, and

manage emails.
Dreammail (ver 5.16) may be compromised by cross-site scripting attacks. Once attackers

send emails attaching specific JavaScript codes, the victims who receive those emails may

lose personal credentials, or the browsers of the victims may be hijacked.

PoC:
#The email becomes a malicious email when containing the code below.
<img src=x onerror=alert(/xss/) />

Solution :
Using such encode functions as htmlencode() or filtering those certain symbols regarding

JavaScript as well as Html.

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