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    CVE-2026-81655

    The Ad Inserter WordPress plugin before 2.8.19 does not correctly restrict access to one of its settings pages, making it reachable by every logged in user under a configuration its own settings allow, and does not filter the content saved there, allowing users with a role as low as subscriber to store code which is then executed as PHP or served unescaped to site visitors.

    Published:Sep 27, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 27, 2026
    EPSS Score:0.00152
    CVSS Score:7.5

    Affected Products

    Vendor
    Wordpress-extensions
    Product
    Ad Inserter

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-242 Code Injection
    CAPEC-35 Leverage Executable Code in Non-Executable Files
    CAPEC-441 Malicious Logic Insertion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-578 Disable Security Software
    CAPEC-588 DOM-Based XSS
    CAPEC-591 Reflected XSS
    CAPEC-592 Stored XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-77 Manipulating User-Controlled Variables
    CAPEC-85 AJAX Footprinting

    Related CVEs

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    CVE-2026-114194 (CVSS 6.5) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Fun…
    CVE-2026-89097 (CVSS 4.3) — The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Sensitive Information Exposur…
    CVE-2026-107864 (CVSS 6.5) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Fun…
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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