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    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.

    Published:Aug 31, 2006
    Last Modified:Apr 16, 2026
    EPS:Aug 31, 2006
    EPSS Score:0.01007
    CVSS Score:7.5

    Affected Products

    Vendor
    Simple Machines
    Product
    Simple Machines Forum

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2008-6741 (CVSS 7.5) — SQL injection vulnerability in Load.php in Simple Machines Forum (SMF) 1.1.4 and earlier allows remote attacke…
    CVE-2008-6658 (CVSS 4) — Directory traversal vulnerability in index.php in Simple Machines Forum (SMF) 1.0 before 1.0.15 and 1.1 before…
    CVE-2008-6657 (CVSS 6.8) — Cross-site request forgery (CSRF) vulnerability in index.php in Simple Machines Forum (SMF) 1.0 before 1.0.15 …
    CVE-2008-6659 (CVSS 5.5) — Directory traversal vulnerability in index.php in Simple Machines Forum (SMF) 1.0 before 1.0.15 and 1.1 before…
    CVE-2008-6544 (CVSS 7.5) — Multiple PHP remote file inclusion vulnerabilities in Simple Machines Forum (SMF) 1.1.4 allow remote attackers…
    CVE-2008-3072 (CVSS 7.5) — Simple Machines Forum (SMF) 1.1.x before 1.1.5 and 1.0.x before 1.0.13, when running in PHP before 4.2.0, does…
    CVE-2008-3073 (CVSS 7.5) — Unspecified vulnerability in Simple Machines Forum (SMF) 1.1.x before 1.1.5 and 1.0.x before 1.0.13 has unknow…
    CVE-2007-5943 (CVSS 5) — Simple Machines Forum (SMF) 1.1.4 allows remote attackers to read a message in private forums by using the adv…
    CVE-2007-5646 (CVSS 6.8) — SQL injection vulnerability in Sources/Search.php in Simple Machines Forum (SMF) 1.1.3, when MySQL 5 is used, …
    CVE-2007-3942 (CVSS 5.8) — Directory traversal vulnerability in index.php in Simple Machines Forum (SMF) 1.1.3 allows remote attackers to…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High