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TITLE:
WordPress Cimy Counter Plugin "fn" Redirection Weakness

SECUNIA ADVISORY ID:
SA40258

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40258/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40258

RELEASE DATE:
2010-06-28

DISCUSS ADVISORY:
http://secunia.com/advisories/40258/#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/40258/

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=40258

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:
MustLive has discovered a weakness in the Cimy Counter plugin for
WordPress, which can be exploited by malicious people to conduct
spoofing attacks.

Input passed via the "fn" parameter to
wp-content/plugins/cimy-counter/cc_redirect.php (when "cc" is set to
an arbitrary value) is not properly verified before being used to
redirect users. This can be exploited to redirect a user to an
arbitrary website when e.g. clicking a specially crafted link to an
affected script hosted on a trusted domain.

The weakness is confirmed in version 0.9.6. Other versions may also
be affected.

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

PROVIDED AND/OR DISCOVERED BY:
MustLive

ORIGINAL ADVISORY:
http://websecurity.com.ua/4170/

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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.

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

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