CVE-2009-4521

Cross-site scripting (XSS) vulnerability in birt-viewer/run in Eclipse Business Intelligence and...

4.3 MediumPublic exploit

Cross-site scripting (XSS) vulnerability in birt-viewer/run in Eclipse Business Intelligence and Reporting Tools (BIRT) before 2.5.0, as used in KonaKart and other products, allows remote attackers to inject arbitrary web script or HTML via the __report parameter.

Exploit likelihood

3.46%Up 0.5 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2009-4521
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-4521
Updated: 2026-11-02

EUVDEUVD-2009-4487 No score

Record: EUVD-2009-4487
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r667-mpf5-fqrf No score

Cross-site scripting (XSS) vulnerability in birt-viewer/run in Eclipse Business Intelligence and...

Record: GHSA-r667-mpf5-fqrf
Weakness: CWE-79
Updated: 2026-11-02

Affected products

eclipse birt

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Eclipse BIRT 2.2.1 - 'run?__report' Cross-Site Scripting	2009-10-14

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-4521 is a medium vulnerability (CVSS 4.3) in Eclipse Birt, published December 31, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.46%, the 89th percentile. No source names a fixed version.