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    CVE-2017-20273

    Joomla Event Registration Pro Calendar 4.1.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter. Attackers can send GET requests to index.php with option=com_registrationpro&view=category&id parameter containing SQL injection payloads to extract sensitive database information.

    Published:Jun 19, 2026
    Last Modified:Aug 21, 2026
    EPS:Jun 19, 2026
    EPSS Score:0.00394
    CVSS Score:8.2

    Affected Products

    Vendor
    Joomalshowroom
    Product
    Event Registration Pro Calendar
    Vendor
    Joomlashowroom
    Product
    Event Registration Pro Calendar
    Vendor
    Vcita
    Product
    Event Registration Calendar By Vcita

    Exploits

    https://www.exploit-db.com/exploits/42416

    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