DESCRIPTION:
A vulnerability has been reported in the Newsletter Subscriber plugin
for Joomla!, which can be exploited by malicious people to conduct
cross-site scripting attacks.
Input appended to the URL after index.php when viewing pages using
the plugin is not properly sanitised in newsletter_subscriber.php
before being returned to the user. This can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected site.
Successful exploitation may require that the victim is running
Internet Explorer or Konqueror.
The vulnerability is reported in version 1.3 for Joomla! 1.5 and
version 1.2 for Joomla! 1.6. Prior versions may also be affected.
SOLUTION:
Update to version 1.3 for Joomla! 1.5 (released July 1st, 2011) or
version 1.2 for Joomla! 1.6 (released June 30th, 2011).
PROVIDED AND/OR DISCOVERED BY:
Reported by the Joomla! VEL team.
ORIGINAL ADVISORY:
http://docs.joomla.org/Vulnerable_Extensions_List#Newsletter_Subscriber
DESCRIPTION:
Two vulnerabilities have been reported in the Newsletter Subscriber
plugin for Joomla!, which can be exploited by malicious people to
conduct cross-site scripting attacks.
Input passed via the "name" and "email" POST parameter to index.php
when viewing pages using the plugin is not properly sanitised in
newsletter_subscriber.php before being returned to the user. This can
be exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.
The vulnerabilities are reported in version 1.3 for Joomla! 1.5 and
confirmed in version 1.2 for Joomla! 1.6. Prior versions may also be
affected.
SOLUTION:
Update to version 1.3 for Joomla! 1.5 (released June 28th, 2011) or
version 1.2 for Joomla! 1.6 (released June 29th, 2011).
PROVIDED AND/OR DISCOVERED BY:
Reported by the Joomla! VEL team.
ORIGINAL ADVISORY:
http://docs.joomla.org/Vulnerable_Extensions_List#Newsletter_Subscriber
DESCRIPTION:
Multiple vulnerabilities have been reported in Joomla!, which can be
exploited by malicious people to conduct cross-site scripting
attacks, disclose sensitive information, and bypass certain security
restrictions.
1) Certain unspecified input is not properly sanitised before being
returned to the user. This can be exploited to execute arbitrary HTML
and script code in a user's browser session in context of an affected
site.
2) Certain unspecified improper error checks can be exploited to
disclose certain information.
3) Certain improper permission checks can be exploited to gain
unauthorised access.
4) Certain unspecified input is not properly sanitised before being
returned to the user. This can be exploited to execute arbitrary HTML
and script code in a user's browser session in context of an affected
site.
The vulnerabilities are reported in versions 1.6.3 and prior.
SOLUTION:
Update to version 1.6.4.