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    CVE-2026-2987

    The Simple Ajax Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'c' parameter in versions up to, and including, 20260217 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

    Published:Mar 12, 2026
    Last Modified:Apr 22, 2026
    EPS:Mar 12, 2026
    EPSS Score:0.00087
    CVSS Score:6.1

    Affected Products

    Vendor
    Specialk
    Product
    Simple Ajax Chat – Add A Fast, Secure Chat Box
    Vendor
    Wordpress
    Product
    Wordpress

    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