Is CVE-2008-5566 being actively exploited?

CVE-2008-5566 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-5566?

CVE-2008-5566 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2008-5566

MEDIUM · CVSS 4.3EPSS 3.4%EU EUVD

Cross-site scripting (XSS) vulnerability in index.php in Triangle Solutions PHP Multiple Newsletters 2.7 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO.

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: 3.4% (89th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-5541)
Published: December 15, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-5541 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

phpmultiplenewsletters / phpmultiplenewsletters

References

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

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