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    CVE-2021-47927

    WordPress Plugin WP Symposium Pro 2021.10 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by exploiting insufficient sanitization of the forum name parameter. Attackers can submit POST requests to the admin setup page with JavaScript payloads in the wps_admin_forum_add_name parameter, which are stored and executed when the forum is accessed.

    Published:May 10, 2026
    Last Modified:May 11, 2026
    EPS:May 10, 2026
    EPSS Score:0.0003
    CVSS Score:6.4

    Affected Products

    Vendor
    Wordpress
    Product
    Wordpress
    Vendor
    Wpsymposiumpro
    Product
    Wp Symposium Pro

    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