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Secunia Security Advisory 21895

Secunia Security Advisory 21895
Posted Sep 13, 2006
Authored by Secunia | Site secunia.com

Secunia Security Advisory - NR Nandini has reported some vulnerabilities in PHP Event Calendar, which can be exploited by certain malicious users to conduct script insertion attacks.

tags | advisory, php, vulnerability
SHA-256 | 49cc03799891d895030c211e1d36fc7f79ba60b287b3cbad104150ded23e7eae

Secunia Security Advisory 21895

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TITLE:
PHP Event Calendar Add Event Script Insertion Vulnerabilities

SECUNIA ADVISORY ID:
SA21895

VERIFY ADVISORY:
http://secunia.com/advisories/21895/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
PHP Event Calendar 1.x
http://secunia.com/product/7964/

DESCRIPTION:
NR Nandini has reported some vulnerabilities in PHP Event Calendar,
which can be exploited by certain malicious users to conduct script
insertion attacks.

Input passed to the "ti", "bi", and "cbgi" parameters in
cl_files/index.php when adding an event isn't properly sanitised
before being used. This can be exploited to inject arbitrary HTML and
script code, which will be executed in a user's browser session in
context of an affected site when the malicious user data is viewed.

Successful exploitation requires privileges to add events.

The vulnerabilities have been reported in version 1.5.1. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

NOTE: The vulnerabilities have been inadequately fixed by only
filtering the "script" tag.

PROVIDED AND/OR DISCOVERED BY:
NR Nandini, OS2A

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

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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