Is CVE-2009-4408 being actively exploited?

CVE-2009-4408 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4408?

CVE-2009-4408 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2009-4408

MEDIUM · CVSS 4.3EPSS 1.0%EU EUVD

Multiple cross-site scripting (XSS) vulnerabilities in models.parser in PyForum 1.0.3 and possibly earlier versions, and possibly zForum, allow remote attackers to inject arbitrary web script or HTML via crafted BBcode (1) img or (2) url tags, which are not properly handled when a post is viewed.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 1.0% (64th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4375)
Published: December 23, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4375 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

pyforum / pyforum
pyforum / pyforum
pyforum / pyforum
pyforum / pyforum

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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