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    CVE-2026-103522

    In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.

    Published:Oct 12, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 12, 2026
    EPSS Score:
    CVSS Score:7.2

    Affected Products

    Vendor
    Thelia
    Product
    Thelia

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

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    CVE-2026-120205 (CVSS 7.4) — Thelia before 3.1.0 contains a stored cross-site scripting vulnerability in ForSomeCustomers::getSummary() tha…
    CVE-2026-112285 (CVSS 5.3) — Thelia before 3.1.5 and 3.2.x before 3.2.4 contains a business logic vulnerability that allows authenticated c…
    CVE-2026-109397 (CVSS 8.6) — Thelia before 3.1.2 and 3.2.x before 3.2.1 contains an unrestricted file upload vulnerability that allows auth…
    CVE-2026-109396 (CVSS 2.3) — Thelia before 3.1.2 and 3.2.x before 3.2.1 contains a CSV formula injection vulnerability that allows unauthen…
    CVE-2026-107248 (CVSS 8.8) — Thelia 3.0.0's back-office Email/Messages feature contains a server‑side template injection (SSTI) flaw that a…
    CVE-2026-103537 (CVSS 5.4) — Thelia 2.6.1 contains an absolute path traversal vulnerability in its Smarty template handling that enables SS…
    CVE-2026-103535 (CVSS 8.8) — Thelia v2.6.1 contains path traversal and PHP code injection vulnerabilities in its translation editor that ca…
    CVE-2026-103529 (CVSS 5.4) — Thelia v2.6.0 permits authenticated administrators to upload and install modules via the ZIP upload function w…

    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