CVE-2009-3263
Status: ModifiedMedium (4.3)—
Severity4.3Medium · CVSS 2.0
Exploitation probability1.39 %higher than 72% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found
Cross-site scripting (XSS) vulnerability in Google Chrome 2.x and 3.x before 3.0.195.21 allows remote attackers to inject arbitrary web script or HTML via a (1) RSS or (2) Atom feed, related to the rendering of the application/rss+xml content type as XML "active content."
CVSS
- Base score
- 4.3
- Version
- 2.0
- Vector
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days
- 1.39 %
- Percentile among all scored CVEs
- 72
- Score date
- 10/23/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-79
References
Show 12 references
- http://code.google.com/p/chromium/issues/detail?id=21238
- http://googlechromereleases.blogspot.com/2009/09/stable-channel-update.html
- http://secunia.com/advisories/36770
- http://securethoughts.com/2009/09/exploiting-chrome-and-operas-inbuilt-atomrss-reader-with-script-execution-and-more/
- http://www.securityfocus.com/archive/1/506517/100/0/threaded
- http://www.securityfocus.com/bid/36416
- http://code.google.com/p/chromium/issues/detail?id=21238
- http://googlechromereleases.blogspot.com/2009/09/stable-channel-update.html
- http://secunia.com/advisories/36770
- http://securethoughts.com/2009/09/exploiting-chrome-and-operas-inbuilt-atomrss-reader-with-script-execution-and-more/
- http://www.securityfocus.com/archive/1/506517/100/0/threaded
- http://www.securityfocus.com/bid/36416
Raw JSON (NVD)
Show
{
"id": "CVE-2009-3263",
"cveTags": [],
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"authentication": "NONE",
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}
],
"lastModified": "2026-06-16T23:11:15.680",
"configurations": [
{
"nodes": [
{
"negate": false,
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"sourceIdentifier": "cve@mitre.org",
"evaluatorSolution": "Per http://www.securityfocus.com/archive/1/archive/1/506517/100/0/threaded\r\n\r\n\r\nVII. SOLUTION\r\n-------------------------\r\nChrome: Upgrade to latest version of Google Chrome (v3.0.195.21 or higher).\r\nIf you remain connected to the internet, this should be automatic.\r\nOpera: Wait for upcoming patch for Scenario (3) in next minor release\r\n(non-alpha/beta) of Opera 10 [Opera 9 users need to upgrade]. However, you\r\nwill still continue to be vulnerable to script execution."
}