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    CVE-2021-47917

    Simple CMS 2.1 contains a persistent cross-site scripting vulnerability in user input parameters that allows remote attackers to inject malicious script code. Attackers can exploit the newUser and editUser modules to inject persistent scripts that execute on user list preview, potentially leading to session hijacking and application manipulation.

    Published:Feb 1, 2026
    Last Modified:Mar 5, 2026
    EPS:Feb 1, 2026
    EPSS Score:0.00013
    CVSS Score:6.4

    Affected Products

    Vendor
    Simple-cms Project
    Product
    Simple Cms
    Vendor
    Simplephpscripts
    Product
    Simple Cms
    Vendor
    Simplephpscripts
    Product
    Simple Cms Php

    Exploits

    https://www.vulnerability-lab.com/get_content.php?id=2302

    Related CVEs

    CVE-2021-47919 (CVSS 5.1) — Simple CMS 2.1 contains a non-persistent cross-site scripting vulnerability in the preview.php file's id param…
    CVE-2021-47918 (CVSS 8.6) — Simple CMS 2.1 contains a remote SQL injection vulnerability that allows privileged attackers to inject unfilt…
    CVE-2023-53927 (CVSS 5.1) — PHPJabbers Simple CMS 5.0 contains a stored cross-site scripting vulnerability that allows authenticated attac…
    CVE-2023-53926 (CVSS 8.7) — PHPJabbers Simple CMS 5.0 contains a SQL injection vulnerability in the 'column' parameter that allows remote …
    CVE-2018-15565 (CVSS 8.8) — An issue was discovered in daveismyname simple-cms through 2014-03-11. admin/addpage.php does not require auth…
    CVE-2018-15564 (CVSS 8.8) — An issue was discovered in daveismyname simple-cms through 2014-03-11. There is a CSRF vulnerability that can …

    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