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    CVE-2021-47966

    PHP Timeclock 1.04 contains time-based and boolean-based blind SQL injection vulnerabilities in the login_userid parameter of login.php that allows unauthenticated attackers to extract database contents. Attackers can submit crafted POST requests with SQL payloads using SLEEP functions or RLIKE conditional statements to dump sensitive database information including employee names and credentials.

    Published:May 15, 2026
    Last Modified:May 17, 2026
    EPS:May 15, 2026
    EPSS Score:0.00068
    CVSS Score:8.2

    Affected Products

    Vendor
    Timeclock
    Product
    Php Timeclock

    Exploits

    No exploit reference

    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