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    CVE-2021-47950

    Advanced Guestbook 2.4.4 contains a persistent cross-site scripting vulnerability in the smilies administration interface that allows authenticated attackers to inject malicious scripts by manipulating the s_emotion parameter. Attackers can submit POST requests to admin.php with JavaScript code in the s_emotion field, which executes when administrators view the smilies tab.

    Published:May 10, 2026
    Last Modified:Jul 15, 2026
    EPS:May 10, 2026
    EPSS Score:0.00187
    CVSS Score:6.4

    Affected Products

    Vendor
    Ampps
    Product
    Advanced Guestbook
    Vendor
    Simplephpscripts
    Product
    Guestbook Script

    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