Is CVE-2006-6661 being actively exploited?

CVE-2006-6661 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2006-6661?

CVE-2006-6661 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2006-6661

HIGH · CVSS 7.5EPSS 6.7%EU EUVD

Variable overwrite vulnerability in blog.php in PHP-Update 2.7 and earlier allows remote attackers to overwrite arbitrary program variables and execute arbitrary PHP code via multiple vectors that use the extract function, as demonstrated by the (1) f, (2) newmessage, (3) newusername, (4) adminuser, and (5) permission parameters.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS score: 6.7% (94th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2006-6644)
Published: December 20, 2006
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-6644 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

php-update / php-update

References

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

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