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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:
Serendipity My Calendar Plugin Cross-Site Request Forgery

SECUNIA ADVISORY ID:
SA28152

VERIFY ADVISORY:
http://secunia.com/advisories/28152/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
My Calendar (plugin for Serendipity) 0.x
http://secunia.com/product/17018/

DESCRIPTION:
Hanno Böck has reported a vulnerability in the My Calendar plugin for
Serendipity, which can be exploited by malicious people to conduct
cross-site request forgery attacks.

The 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 e.g.
conduct script insertion attacks against the blog-page.

The vulnerability is reported in version 0.12. Prior versions may
also be affected.

SOLUTION:
Update to version 0.13.

PROVIDED AND/OR DISCOVERED BY:
Hanno Böck

ORIGINAL ADVISORY:
http://www.hboeck.de/archives/572-Some-XSS-issues-in-Serendipity-found.html

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About:
This Advisory was delivered by Secunia as a free service to help
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vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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