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    CVE-2006-0805

    The CAPTCHA functionality in php-Nuke 6.0 through 7.9 uses fixed challenge/response pairs that only vary once per day based on the User Agent (HTTP_USER_AGENT), which allows remote attackers to bypass CAPTCHA controls by fixing the User Agent, performing a valid challenge/response, then replaying that pair in the random_num and gfx_check parameters.

    Published:Feb 21, 2006
    Last Modified:Apr 16, 2026
    EPS:Feb 21, 2006
    EPSS Score:0.01759
    CVSS Score:7.5

    Affected Products

    Vendor
    Francisco Burzi
    Product
    Php-nuke

    Exploits

    http://www.securityfocus.com/bid/16722http://www.waraxe.us/advisory-45.htmlhttp://www.securityfocus.com/bid/16722http://www.waraxe.us/advisory-45.htmlhttps://www.exploit-db.com/exploits/27249

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2007-5032 (CVSS 5.1) — Cross-site request forgery (CSRF) vulnerability in admin.php in Francisco Burzi PHP-Nuke allows remote attacke…
    CVE-2007-1061 (CVSS 6.8) — SQL injection vulnerability in index.php in Francisco Burzi PHP-Nuke 8.0 Final and earlier, when the "HTTP Ref…
    CVE-2007-0372 (CVSS 7.5) — Multiple SQL injection vulnerabilities in Francisco Burzi PHP-Nuke 7.9 allow remote attackers to execute arbit…
    CVE-2007-0309 (CVSS 7.5) — SQL injection vulnerability in blocks/block-Old_Articles.php in Francisco Burzi PHP-Nuke 7.9 and earlier, when…
    CVE-2006-6234 (CVSS 7.5) — Multiple SQL injection vulnerabilities in the Content module in PHP-Nuke 6.0, and possibly other versions, all…
    CVE-2006-6200 (CVSS 7.5) — Multiple SQL injection vulnerabilities in the (1) rate_article and (2) rate_complete functions in modules/News…
    CVE-2006-5720 (CVSS 7.5) — SQL injection vulnerability in modules/journal/search.php in the Journal module in Francisco Burzi PHP-Nuke 7.…
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    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