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TITLE:
WordPress WP e-Commerce Plugin Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA46957

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46957/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46957

RELEASE DATE:
2011-11-22

DISCUSS ADVISORY:
http://secunia.com/advisories/46957/#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/46957/

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=46957

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:
A vulnerability has been discovered in the WP e-Commerce plugin for
WordPress, which can be exploited by malicious people to conduct
script insertion attacks.

Input passed via the "custom_text" parameter to index.php when adding
a product to the cart is not properly sanitised before being used.
This can be exploited to insert arbitrary HTML and script code, which
will be executed in a user's browser session in context of an affected
site when the malicious data is being viewed.

Successful exploitation requires the ability to add custom content to
purchases.

The vulnerability is confirmed in version 3.8.7.1. Prior versions may
also be affected.

SOLUTION:
Update to version 3.8.7.2.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://wordpress.org/extend/plugins/wp-e-commerce/changelog/
http://plugins.trac.wordpress.org/changeset?reponame=&new=463447%40wp-e-commerce&old=463446%40wp-e-commerce

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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