Skip to content
Fencer Vulns
critical 10.0

CVE-2007-4338 json

index.php in Ryan Haudenschilt Family Connections (FCMS) before 0.9 allows remote attackers to access an arbitrary account by placing the a…

published 2007-08-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4321

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.9%
EPSS 8.9% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

index.php in Ryan Haudenschilt Family Connections (FCMS) before 0.9 allows remote attackers to access an arbitrary account by placing the account's name in the value of an fcms_login_id cookie. NOTE: this can be leveraged for code execution via a POST with PHP code in the content parameter.

Timeline

  1. First public exploit (EDB-30488)
  2. Published

Exploit prediction

8.92% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30488 Haudenschilt Family Connections 0.8 - 'index.php' Authentication Bypass webapps, 2007-08-11
  • securityfocus.com http://www.securityfocus.com/bid/25276 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

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.