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    CVE-2026-0483

    Stored Cross-Site Scripting (XSS) vulnerability in the PDF file upload functionality of Live Helper Chat, versions prior to 4.72. An attacker can upload a malicious PDF file containing an XSS payload, which will be executed in the user's context when they download and open the file via the link generated by the application. The vulnerability allows arbitrary JavaScript code to be executed in the user's local context.

    Published:Jan 28, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 28, 2026
    EPSS Score:0.0007
    CVSS Score:6.9

    Affected Products

    Vendor
    Livehelperchat
    Product
    Livehelperchat

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2025-51398 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live Helper Chat v4.60 …
    CVE-2025-51396 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in Live Helper Chat v4.60 allows attackers to execute arbitr…
    CVE-2025-51400 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in the Personal Canned Messages of Live Helper Chat v4.60 al…
    CVE-2025-51401 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in the chat transfer function of Live Helper Chat v4.60 allo…
    CVE-2025-51403 (CVSS 6.5) — A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helpe…
    CVE-2025-7435 (CVSS 2) — A vulnerability was found in LiveHelperChat lhc-php-resque Extension up to ee1270b35625f552425e32a6a3061cd54b5…
    CVE-2024-27516 (CVSS 9.8) — Server-Side Template Injection (SSTI) vulnerability in livehelperchat before 4.34v, allows remote attackers to…
    CVE-2022-0370 (CVSS 5.4) — Cross-site Scripting (XSS) - Stored in Packagist remdex/livehelperchat prior to 3.93v.…

    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