CVE-2006-4467
Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to perform directory traversal attacks to read arbitrary local files, lock topics, and possibly have other security impacts. NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Simple Machines Forum.
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
- 1.8% (79th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-4455)
- Published
- August 31, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-4455 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- simple machines / simple machines forum
References
- http://retrogod.altervista.org/smf_11rc2_local_incl.html
- http://retrogod.altervista.org/smf_11rc2_lock.html
- http://securityreason.com/securityalert/1475
- http://www.securityfocus.com/archive/1/444053/100/100/threaded
- http://www.simplemachines.org/community/index.php?topic=107112.0
- http://www.simplemachines.org/community/index.php?topic=107135.0
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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