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    CVE-2026-103278

    Ghost versions 5.8.0 before 6.34.0 contain an input validation vulnerability in the admin iframe that allows attackers to take over staff user accounts. Attackers with content publishing privileges can craft malicious pages that, when visited by active staff users, enable account takeover through improper input validation.

    Published:Oct 1, 2026
    Last Modified:Oct 1, 2026
    EPS:Oct 1, 2026
    EPSS Score:
    CVSS Score:7.3

    Affected Products

    Vendor
    Ghost
    Product
    Ghost

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-23 Relative Path Traversal

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-139 Relative Path Traversal
    CAPEC-76 Manipulating Web Input to File System Calls

    Related CVEs

    CVE-2026-105683 (CVSS 3.8) — Ghost is a Node.js content management system. From 6.14.0 until 6.27.0, an input validation issue may have all…
    CVE-2026-105682 (CVSS 2.7) — Ghost is a Node.js content management system. From 1.18.0 until 6.27.0, an SSRF vulnerability in the webhooks …
    CVE-2026-105681 (CVSS 6.5) — Ghost is a Node.js content management system. From 5.9.0 until 6.44.1, an input validation issue allowed membe…
    CVE-2026-105680 (CVSS 6.5) — Ghost is a Node.js content management system. From 5.81.0 until 6.60.0, staff with the Author role could delet…
    CVE-2026-105679 (CVSS 7.3) — Ghost is a Node.js content management system. From 6.22.1 until 6.64.0, Ghost restricted the content type used…
    CVE-2026-105678 (CVSS 4.3) — Ghost is a Node.js content management system. From 0.5.0 until 6.64.0, staff users with the Editor or Super Ed…
    CVE-2026-105677 (CVSS 7.2) — Ghost is a Node.js content management system. From 6.10.3 until 6.64.0, a vulnerability in how Ghost loads the…
    CVE-2026-105676 (CVSS 4.9) — Ghost is a Node.js content management system. From 1.20.0 until 6.64.0, a vulnerability in how Ghost loads the…
    CVE-2026-105675 (CVSS 7.5) — Ghost is a Node.js content management system. From 4.39.0 until 6.64.0, staff users with permission to view st…
    CVE-2026-105652 (CVSS 3.1) — Ghost is a Node.js content management system. From 0.7.2 until 6.64.0, any staff-level user was able to determ…

    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