Advisory ID: HTB23162
Product: Duplicator WordPress Plugin
Vendor: LifeInTheGrid=20
Vulnerable Version(s): 0.4.4 and probably prior
Tested Version: 0.4.4
Vendor Notification: June 19, 2013=20
Vendor Patch: July 21, 2013=20
Public Disclosure: July 24, 2013=20
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: CVE-2013-4625
Risk Level: Low=20
CVSSv2 Base Score: 2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( https://w=
ww.htbridge.com/advisory/ )=20
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Advisory Details:
High-Tech Bridge Security Research Lab discovered XSS vulnerability in Dupl=
icator WordPress plugin, which can be exploited to perform cross-site scrip=
ting attacks against vulnerable application.
1) Cross-Site Scripting (XSS) in Duplicator WordPress Plugin: CVE-2013-4625
The vulnerability exists due to insufficient filtration of user-supplied da=
ta in "package" HTTP GET parameter passed to "/wp-content/plugins/duplicato=
r/files/installer.cleanup.php" script. A remote attacker can trick a logged=
-in administrator to open a specially crafted link and execute arbitrary HT=
ML and script code in browser in context of the vulnerable website.
The exploitation example below uses the "alert()" JavaScript function to di=
splay administrator's cookies:
http://[host]/wp-content/plugins/duplicator/files/installer.cleanup.php?rem=
ove=3D1&package=3D%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E
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Solution:
Upgrade to Duplicator 0.4.5
More Information:
http://support.lifeinthegrid.com/knowledgebase.php?article=3D20
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References:
[1] High-Tech Bridge Advisory HTB23162 - https://www.htbridge.com/advisory/=
HTB23162 - Cross-Site Scripting (XSS) in Duplicator WordPress Plugin.
[2] Duplicator WordPress Plugin - http://lifeinthegrid.com/labs/duplicator/=
- This free plugin available at wordpress.org is a powerful tool you can u=
se to rapidly clone and deploy any WordPress site.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - in=
ternational in scope and free for public use, CVE=C2=AE is a dictionary of =
publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to =
developers and security practitioners, CWE is a formal list of software wea=
kness types.=20
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Disclaimer: The information provided in this Advisory is provided "as is" a=
nd without any warranty of any kind. Details of this Advisory may be update=
d in order to provide as accurate information as possible. The latest versi=
on of the Advisory is available on web page [1] in the References.