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    CVE-2021-40377

    SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.

    Published:Sep 8, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 8, 2021
    EPSS Score:0.00502
    CVSS Score:5.4

    Affected Products

    Vendor
    Smartertools
    Product
    Smartermail

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-25067 (CVSS 6.9) — SmarterTools SmarterMail versions prior to build 9518 contain an unauthenticated path coercion vulnerability …
    CVE-2026-24423 (CVSS 9.3) — SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnera…
    CVE-2026-23760 (CVSS 9.3) — SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the pa…
    CVE-2020-36926 (CVSS 6.9) — SmarterTrack 7922 contains an information disclosure vulnerability in the Chat Management search form that rev…
    CVE-2025-52691 (CVSS 10) — Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files…
    CVE-2023-48114 (CVSS 5.4) — SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored XSS by using image/svg+xml and an uploade…
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    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