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    CVE-2026-87796

    The Multi Uploader for Gravity Forms plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.1.9 via the move_file function. This is due to insufficient file type validation during chunked upload handling. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

    Published:Sep 17, 2026
    Last Modified:Sep 19, 2026
    EPS:Sep 17, 2026
    EPSS Score:0.00611
    CVSS Score:9.8

    Affected Products

    Vendor
    Sh1zen
    Product
    Multi Uploader For Gravity Forms
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://github.com/abraxas/CVE-2026-87796

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    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