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    CVE-2026-74253

    Joomla Extension - regularlabs.com - Unauthenticated RCE through unverified reflected user input in Sourcerer < 16.0.0 - Regular Labs Sourcerer before 16.0.0 processes {source} blocks found in Joomla’s final rendered HTML without reliably determining where that code originated.

    Published:Aug 17, 2026
    Last Modified:Aug 26, 2026
    EPS:Aug 17, 2026
    EPSS Score:0.00323
    CVSS Score:10

    Affected Products

    Vendor
    Regularlabs.com
    Product
    Sourcerer Extension For Joomla

    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