CVE-2009-3266

Public Exploit

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."

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.80% Top 30%
Vendor Advisory secunia.com Vendor Advisory opera.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.opera.com/support/kb/view/939/ vendor advisory
http://www.vupen.com/english/advisories/2009/3073 vdb entry vendor advisory
http://www.securityfocus.com/archive/1/506517/100/0/threaded mailing list
http://archives.neohapsis.com/archives/bugtraq/2009-10/0289.html mailing list
http://securethoughts.com/2009/10/hijacking-operas-native-page-using-malicious-rss-payloads/
http://www.osvdb.org/59358 vdb entry
http://www.opera.com/docs/changelogs/unix/1001/ patch
http://secunia.com/advisories/37182 third party advisory vendor advisory
http://www.securityfocus.com/bid/36850 vdb entry
http://securethoughts.com/2009/09/exploiting-chrome-and-operas-inbuilt-atomrss-reader-with-script-execution-and-more/ exploit
http://www.securityfocus.com/bid/36418 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/54021 vdb entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6314 vdb entry signature
http://www.opera.com/docs/changelogs/mac/1001/ patch
http://www.opera.com/docs/changelogs/windows/1001/ patch

Frequently Asked Questions

What is the severity of CVE-2009-3266?
CVE-2009-3266 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3266?
To fix CVE-2009-3266, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3266 being actively exploited in the wild?
It is possible that CVE-2009-3266 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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