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CVE-2011-0509

17
FAUCET Score

CVE-2011-0509 describes a Cross-Site Scripting (XSS) vulnerability in Vaadin versions prior to 6.4.9, allowing attackers to inject malicious web scripts or HTML into the index page through unspecified vectors. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and requiring no authentication, with a potential impact of partial integrity compromise. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.4.8CPE matchmatch criteria
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*

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
2.06%
Probability of exploitation in next 30 days
EPSS Percentile
79.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0206 is in the 65th percentile among its peer group of 19,955 CVEs.

Social Chatter

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

dev.vaadin.com / ticket/6257
Issue TrackingVendor Advisory
osvdb.org / 70398
Broken Link
secunia.com / advisories/42879
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/64626
VDB Entry
vaadin.com / download/release/6.4/6.4.9/release-notes.html
Vendor Advisory
securityfocus.com / bid/45779
Third Party AdvisoryVDB Entry