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    CVE-2025-15678

    The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files (Author by default), allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site Scripting.

    Published:Aug 6, 2026
    Last Modified:Aug 7, 2026
    EPS:Aug 6, 2026
    EPSS Score:0.00152
    CVSS Score:6.1

    Affected Products

    Vendor
    Posimyth
    Product
    Nexter Blocks
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-39516 (CVSS 5.3) — Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Bl…
    CVE-2024-50452 (CVSS 6.5) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in POSIMYTH…
    CVE-2026-24377 (CVSS 4.3) — Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Bl…
    CVE-2025-54739 (CVSS 5.3) — Missing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Exploiti…
    CVE-2024-56294 (CVSS 6.4) — Missing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Exploiti…
    CVE-2024-56246 (CVSS 6.5) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in POSIMYTH…
    CVE-2024-33572 (CVSS 4.3) — Missing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor.This issue affe…

    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