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TITLE:
CodeIgniter "xss_clean()" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA47013

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47013/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47013

RELEASE DATE:
2011-11-30

DISCUSS ADVISORY:
http://secunia.com/advisories/47013/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/47013/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=47013

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Dr. Marian Ventuneac has reported a vulnerability in CodeIgniter,
which can be exploited by malicious people to conduct cross-site
scripting attacks.

The vulnerability is caused due to the "xss_clean()" function not
properly filtering web requests and can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected site. 

The vulnerability is reported in version 2.0.3. Prior versions may
also be affected.

SOLUTION:
Update to version 2.1.0.

PROVIDED AND/OR DISCOVERED BY:
Dr. Marian Ventuneac

ORIGINAL ADVISORY:
CodeIgniter:
http://codeigniter.com/user_guide/changelog.html

Dr. Marian Ventuneac:
http://www.ventuneac.net/security-advisories/MVSA-11-013

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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

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