Vulnerability CVE-2009-3266
Published: 2009-09-18   Modified: 2012-02-13

Description:
Opera before 10.01 does not properly restrict HTML in a (1) RSS or (2) Atom feed, which allows remote attackers to conduct cross-site scripting (XSS) attacks, and conduct cross-zone scripting attacks involving the Feed Subscription Page to read feeds or create feed subscriptions, via a crafted feed, related to the rendering of the application/rss+xml content type as "scripted content."

See advisories in our WLB2 database:
Topic
Author
Date
Low
Exploiting Chrome and Opera\'s inbuilt ATOM/RSS reader with Script Execution and more
Inferno
22.09.2009

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Opera -> Opera browser 

 References:
http://archives.neohapsis.com/archives/bugtraq/2009-10/0289.html
http://securethoughts.com/2009/09/exploiting-chrome-and-operas-inbuilt-atomrss-reader-with-script-execution-and-more/
http://securethoughts.com/2009/10/hijacking-operas-native-page-using-malicious-rss-payloads/
http://www.opera.com/docs/changelogs/mac/1001/
http://www.opera.com/docs/changelogs/unix/1001/
http://www.opera.com/docs/changelogs/windows/1001/
http://www.opera.com/support/kb/view/939/
http://www.securityfocus.com/archive/1/506517/100/0/threaded
http://www.securityfocus.com/bid/36418
http://www.securityfocus.com/bid/36850
http://www.vupen.com/english/advisories/2009/3073
https://exchange.xforce.ibmcloud.com/vulnerabilities/54021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6314
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