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CVE-2009-4521

21
FAUCET Score

CVE-2009-4521 describes a Cross-Site Scripting (XSS) vulnerability in the birt-viewer/run component of Eclipse Business Intelligence and Reporting Tools (BIRT) versions prior to 2.5.0, impacting products like KonaKart that utilize BIRT. This medium-complexity vulnerability allows remote attackers to inject arbitrary web script or HTML via the "__report" parameter, potentially leading to information disclosure or session hijacking. While not actively exploited in the wild and lacking significant community discussion or media coverage, a public exploit (EDB-33286) exists, indicating its exploitability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.3.2CPE matchmatch criteria
cpe:2.3:a:eclipse:birt:*:*:*:*:*:*:*:*

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
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-33286 · Oct 14, 2009
This CVE's current EPSS score of 0.0196 is in the 62nd percentile among its peer group of 19,955 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

antisnatchor.com / 2008/12/18/eclipse-birt-reflected-xss
Exploit
bugs.eclipse.org / bugs/show_bug.cgi
Exploit
secunia.com / advisories/37025
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53773
osvdb.org / 58941
securityfocus.com / archive/1/507172/100/0/threaded
securityfocus.com / bid/36674
Exploit