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CVE-2009-3263

14
FAUCET Score

CVE-2009-3263 is a Cross-site Scripting (XSS) vulnerability affecting Google Chrome versions 2.x and 3.x prior to 3.0.195.21. This flaw allows remote attackers to inject arbitrary web script or HTML through specially crafted RSS or Atom feeds, due to improper rendering of application/rss+xml content. The vulnerability has a CVSS score of 4.3, indicating a medium severity with low impact on integrity and no impact on confidentiality or availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.156.1CPE matchmatch criteria
cpe:2.3:a:google:chrome:2.0.156.1:*:*:*:*:*:*:*
2.0.157.0CPE matchmatch criteria
cpe:2.3:a:google:chrome:2.0.157.0:*:*:*:*:*:*:*
2.0.157.2CPE matchmatch criteria
cpe:2.3:a:google:chrome:2.0.157.2:*:*:*:*:*:*:*
2.0.158.0CPE matchmatch criteria
cpe:2.3:a:google:chrome:2.0.158.0:*:*:*:*:*:*:*
2.0.159.0CPE matchmatch criteria
cpe:2.3:a:google:chrome:2.0.159.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 40th percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

code.google.com / p/chromium/issues/detail
googlechromereleases.blogspot.com / 2009/09/stable-channel-update.html
Vendor Advisory
secunia.com / advisories/36770
Vendor Advisory
securethoughts.com / 2009/09/exploiting-chrome-and-operas-inbuilt-atomrss-reader-with-script-execution-and-more
Exploit
securityfocus.com / archive/1/506517/100/0/threaded
securityfocus.com / bid/36416