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    CVE-2026-111278

    NivoCart through 2.5.1 contains a CAPTCHA bypass vulnerability that allows unauthenticated attackers to defeat form protection because the expected code is printed as plain text in the HTML. Attackers can fetch protected forms, extract the captcha_image value with a pattern match, and submit it to automate spam, registrations, reviews, and account deletion requests.

    Published:Oct 15, 2026
    Last Modified:Oct 17, 2026
    EPS:Oct 15, 2026
    EPSS Score:0.00321
    CVSS Score:5.3

    Affected Products

    Vendor
    Nivocart
    Product
    Nivocart

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-804 Guessable CAPTCHA

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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