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    CVE-2018-19421

    In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but Internet Explorer render HTML elements in a .eml file, because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.

    Published:Nov 21, 2018
    Last Modified:Nov 21, 2024
    EPS:Nov 21, 2018
    EPSS Score:0.00221
    CVSS Score:3.8

    Affected Products

    Vendor
    Get-simple
    Product
    Getsimple Cms

    Exploits

    https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2022-41544 (CVSS 9.8) — GetSimple CMS v3.3.16 was discovered to contain a remote code execution (RCE) vulnerability via the edited_fil…
    CVE-2022-1503 (CVSS 3.5) — A vulnerability, which was classified as problematic, has been found in GetSimple CMS. Affected by this issue …
    CVE-2020-24861 (CVSS 5.4) — GetSimple CMS 3.3.16 allows in parameter 'permalink' on the Settings page persistent Cross Site Scripting whic…
    CVE-2020-23839 (CVSS 6.1) — A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login po…
    CVE-2013-1420 (CVSS 6.1) — Multiple cross-site scripting (XSS) vulnerabilities in GetSimple CMS before 3.2.1 allow remote attackers to in…
    CVE-2019-16333 (CVSS 5.4) — GetSimple CMS v3.3.15 has Persistent Cross-Site Scripting (XSS) in admin/theme-edit.php.…
    CVE-2019-11231 (CVSS 9.8) — An issue was discovered in GetSimple CMS through 3.3.15. insufficient input sanitation in the theme-edit.php f…
    CVE-2018-19845 (CVSS 5.4) — There is Stored XSS in GetSimple CMS 3.3.12 via the admin/edit.php "post-menu" parameter, a related issue to C…
    CVE-2018-19420 (CVSS 3.8) — In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but there are several alternative cases in which…
    CVE-2018-17835 (CVSS 4.8) — An issue was discovered in GetSimple CMS 3.3.15. An administrator can insert stored XSS via the admin/settings…

    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