Advisory ID: HTB23189
Product: WP-Cron Dashboard Wordpress plugin
Vendor: OKAMOTO Wataru=20
Vulnerable Version(s): 1.1.5 and probably prior
Tested Version: 1.1.5
Advisory Publication: December 5, 2013 [without technical details]
Vendor Notification: December 5, 2013=20
Public Disclosure: December 26, 2013=20
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: CVE-2013-6991
Risk Level: Low=20
CVSSv2 Base Score: 2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status: Solution Available
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 vulnerability in WP-Cron =
Dashboard Wordpress plugin, which can be exploited to perform Cross-Site Sc=
ripting (XSS) attacks.
1) Cross-Site Scripting (XSS) in WP-Cron Dashboard Wordpress plugin: CVE-20=
13-6991
The vulnerability exists due to insufficient sanitisation of user-supplied =
data in "procname" HTTP POST parameter passed to "/wp-admin/tools.php" scri=
pt. A remote attacker can trick a logged-in administrator to open a special=
ly crafted link and execute arbitrary HTML and script code in browser in co=
ntext of the vulnerable website.
The exploitation example below uses the "alert()" JavaScript function to di=
splay "immuniweb" word:
<form action=3D"http://[host]/wp-admin/tools.php?page=3Dwp-cron-dashboard" =
method=3D"post" name=3D"main">
<input type=3D"hidden" name=3D"procname" value=3D'<script>alert("immuniweb=
");</script>'>
<input type=3D"hidden" name=3D"submit" value=3D'1'>
<input type=3D"submit" id=3D"btn">
</form>
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Solution:
Vendor did not reply to 3 notifications by email, 3 notifications via conta=
ct form, 1 notification via twitter, 1 forum thread. Currently we are not a=
ware of any official solution for this vulnerability.
Unofficial patch was developed by High-Tech Bridge Security Research Lab an=
d is available here: https://www.htbridge.com/advisory/HTB23189-patch.zip
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References:
[1] High-Tech Bridge Advisory HTB23189 - https://www.htbridge.com/advisory/=
HTB23189 - Cross-Site Scripting (XSS) in WP-Cron Dashboard Wordpress plugin=
=2E
[2] WP-Cron Dashboard Wordpress plugin - http://wordpress.org/plugins/wp-cr=
on-dashboard/ - WP-Cron Dashboard Display for WordPress.
[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.
[5] ImmuniWeb=C2=AE - http://www.htbridge.com/immuniweb/ - is High-Tech Bri=
dge's proprietary web application security assessment solution with SaaS de=
livery model that combines manual and automated vulnerability testing.
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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.