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    CVE-2026-1256

    The YS LeadGen plugin for WordPress is vulnerable to authorization bypass and Stored Cross-Site Scripting via multiple AJAX endpoints in all versions up to, and including, 2.1.4 due to missing capability checks on popup management actions. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create arbitrary popups and inject malicious JavaScript that executes when the popup is displayed, leading to Stored XSS.

    Published:Sep 19, 2026
    Last Modified:Sep 20, 2026
    EPS:Sep 19, 2026
    EPSS Score:0.00204
    CVSS Score:6.4

    Affected Products

    Vendor
    Wordpress
    Product
    Wordpress
    Vendor
    Ysinnovations
    Product
    Ys Leadgen – Popup Builder, Popup Maker & Form Builder For Wordpress | Lead Generation, Email Marketing, Sales, Conversions, Opt-ins & Subscribers

    Exploits

    No exploit reference

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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