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Fencer Vulns
high 7.5

CVE-2006-6661 json

Variable overwrite vulnerability in blog.php in PHP-Update 2.7 and earlier allows remote attackers to overwrite arbitrary program variables…

published 2006-12-20 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6644

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-2953)
  2. Published

Exploit prediction

6.65% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-2953 PHP-Update 2.7 - 'extract()' Authentication Bypass / Shell Injection webapps, 2006-12-19

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.