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A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

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TITLE:
MODx Cross-Site Scripting and Cross-Site Request Forgery

SECUNIA ADVISORY ID:
SA28840

VERIFY ADVISORY:
http://secunia.com/advisories/28840/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
MODx 0.x
http://secunia.com/product/9369/

DESCRIPTION:
Alexandr Polyakov and Stas Svistunovich have discovered some
vulnerabilities in MODx, which can be exploited by malicious people
to conduct cross-site scripting and cross-site request forgery
attacks.

1) Input passed to the "search" parameter in manager/index.php 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.

Successful exploitation of this vulnerability requires that the
target user has valid administrator credentials.

2) Input passed to the "highlight", "email", and "name" parameters in
index.php 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.

3) A vulnerability is caused due to the application allowing users to
perform certain actions via HTTP requests without performing any
validity checks to verify the request. This can be exploited to
change administrator passwords by tricking an administrator into
opening a malicious webpage.

The vulnerabilities are confirmed in version 0.9.6.1p1 and reported
in version 0.9.6.1. Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised. Do
not browse untrusted websites while logged on to MODx.

PROVIDED AND/OR DISCOVERED BY:
Alexandr Polyakov and Stas Svistunovich, Digital Security Research
Group

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About:
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