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TITLE:
Plone "safe_html" Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA40270

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40270/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40270

RELEASE DATE:
2010-06-23

DISCUSS ADVISORY:
http://secunia.com/advisories/40270/#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/40270/

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=40270

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 reported in Plone, which can be exploited by
malicious users to conduct script insertion attacks.

Input passed via the "safe_html" HTML filter in PortalTransforms 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.

The vulnerability is reported in all versions since version 2.1.

SOLUTION:
Apply vendor hotfix (see the vendor's advisory for details).

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

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Alan Hoey of Team Rubber.

ORIGINAL ADVISORY:
http://plone.org/products/plone/security/advisories/CVE-2010-2422

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.

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Secunia NEVER sends attached files with advisories.
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