XSS in Opera Browser
CVE-2009-3266
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."
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.027 (85.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Opera Browser — versions 5.0, 5.02, 5.10
Weakness classification (CWE)
References
- www.opera.com/support/kb/view/939/ (Vendor Advisory)
- www.vupen.com/english/advisories/2009/3073 (vdb-entry, Vendor Advisory)
- www.securityfocus.com/archive/1/506517/100/0/threaded (mailing-list)
- archives.neohapsis.com/archives/bugtraq/2009-10/0289.html (mailing-list)
- securethoughts.com/2009/10/hijacking-operas-native-page-using-malicious-rss-pay…
- www.osvdb.org/59358 (vdb-entry)
- www.opera.com/docs/changelogs/unix/1001/ (Patch)
- secunia.com/advisories/37182 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/bid/36850 (vdb-entry)
- securethoughts.com/2009/09/exploiting-chrome-and-operas-inbuilt-atomrss-reader-… (Exploit)