Is CVE-2009-2011 in the CISA KEV catalog?

No. CVE-2009-2011 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-2011?

CVE-2009-2011 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2009-2011?

CVE-2009-2011 has an EPSS score of 40.18% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-2011

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

Worldweaver DX Studio Player 3.0.29.0, 3.0.22.0, 3.0.12.0, and probably other versions before 3.0.29.1, when used as a plug-in for Firefox, does not restrict access to the shell.execute JavaScript API method, which allows remote attackers to execute arbitrary commands via a .dxstudio file that invokes this method.

CWE-78OS Command Injection

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

40.18%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.