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    CVE-2026-88959

    Anchor CMS through 0.12.7 fails to enforce role-based access control in admin user-management endpoints, allowing any authenticated low-privilege user to create administrator accounts or modify existing ones. Attackers with editor or user roles can POST directly to admin/users/add or admin/users/edit endpoints to create new administrator accounts or change the existing administrator's password, gaining full administrative access.

    Published:Sep 10, 2026
    Last Modified:Sep 10, 2026
    EPS:Sep 10, 2026
    EPSS Score:
    CVSS Score:8.8

    Affected Products

    Vendor
    Anchorcms
    Product
    Anchor Cms

    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-2025-46041 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in Anchor CMS v0.12.7 allows attackers to inject malicious J…
    CVE-2024-37732 (CVSS 6.1) — Cross Site Scripting vulnerability in Anchor CMS v.0.12.7 allows a remote attacker to execute arbitrary code v…
    CVE-2024-29338 (CVSS 2.4) — Anchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via /anchor/admin/categories/…
    CVE-2024-29499 (CVSS 7.4) — Anchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via /anchor/admin/users/delet…
    CVE-2022-25576 (CVSS 4.5) — Anchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component anchor/rout…
    CVE-2021-46253 (CVSS 5.4) — A cross-site scripting (XSS) vulnerability in the Create Post function of Anchor CMS v0.12.7 allows attackers …
    CVE-2021-44116 (CVSS 6.1) — Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php. Attackers can use the post…
    CVE-2020-23342 (CVSS 8.8) — A CSRF vulnerability exists in Anchor CMS 0.12.7 anchor/views/users/edit.php that can change the Delete admin …
    CVE-2015-5060 (CVSS 6.1) — Cross-site scripting (XSS) vulnerability in anchor-cms before 0.9-dev.…
    CVE-2015-5687 (CVSS 7.5) — system/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct PHP object injection …

    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