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    CVE-2026-16056

    The Contest Gallery WordPress plugin before 30.0.7 does not perform any capability or nonce check in one of its handlers, allowing any authenticated user down to Subscriber to read the site's entire stored OpenAI prompt history.

    Published:Aug 4, 2026
    Last Modified:Aug 4, 2026
    EPS:Aug 4, 2026
    EPSS Score:0.00132
    CVSS Score:4.3

    Affected Products

    Vendor
    Contest-gallery
    Product
    Contest Gallery
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-16055 (CVSS 7.5) — The Contest Gallery WordPress plugin before 30.0.7 does not route its front-end login through the standard Wo…
    CVE-2026-16057 (CVSS 6.5) — The Contest Gallery WordPress plugin before 30.0.7 does not perform per-object capability or nonce checks in …
    CVE-2026-24965 (CVSS 4.3) — Missing Authorization vulnerability in Wasiliy Strecker / ContestGallery developer Contest Gallery contest-gal…
    CVE-2025-12849 (CVSS 5.3) — The Contest Gallery plugin for WordPress is vulnerable to authorization bypass in all versions up to, and incl…
    CVE-2025-11254 (CVSS 4.3) — The Contest Gallery – Upload, Vote & Sell with PayPal and Stripe plugin for WordPress is vulnerable to CSV Inj…
    CVE-2025-10383 (CVSS 6.4) — The Contest Gallery – Upload, Vote & Sell with PayPal and Stripe plugin for WordPress is vulnerable to Stored …
    CVE-2025-7725 (CVSS 7.2) — The Photos, Files, YouTube, Twitter, Instagram, TikTok, Ecommerce Contest Gallery – Upload, Vote, Sell via Pay…
    CVE-2025-3862 (CVSS 6.4) — Contest Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘id’ parameter in al…
    CVE-2025-1513 (CVSS 7.2) — The Photos, Files, YouTube, Twitter, Instagram, TikTok, Ecommerce Contest Gallery – Upload, Vote, Sell via Pay…
    CVE-2025-22693 (CVSS 7.6) — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Wasiliy …

    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