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    CVE-2026-10818

    The WPForms Pro plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.10.1.1 via the ajax_chunk_upload_finalize function. This is due to the file type validation occurring after chunk metadata and file contents have already been written to disk, and the assembled file not being deleted upon validation failure. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible.

    Published:Jul 25, 2026
    Last Modified:Jul 27, 2026
    EPS:Jul 25, 2026
    EPSS Score:0.0042
    CVSS Score:8.1

    Affected Products

    Vendor
    Wordpress
    Product
    Wordpress
    Vendor
    Wpforms
    Product
    Wpforms Pro

    Exploits

    https://github.com/Nxploited/CVE-2026-10818

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

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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