CVE Feed

    Dashboard / CVE / CVE-2021-47733

    CVE-2021-47733

    CMSimple 5.4 contains a cross-site scripting vulnerability that allows attackers to bypass input filtering by using HTML to Unicode encoding. Attackers can inject malicious scripts by encoding payloads like ')-alert(1)// and execute arbitrary JavaScript when victims interact with delete buttons.

    Published:Dec 23, 2025
    Last Modified:Apr 7, 2026
    EPS:Dec 23, 2025
    EPSS Score:0.00039
    CVSS Score:6.1

    Affected Products

    Vendor
    Cmsimple
    Product
    Cmsimple

    Exploits

    https://www.exploit-db.com/exploits/50612

    Related CVEs

    CVE-2021-47735 (CVSS 8.6) — CMSimple 5.4 contains an authenticated remote code execution vulnerability that allows logged-in attackers to …
    CVE-2021-47734 (CVSS 8.6) — CMSimple 5.4 contains an authenticated local file inclusion vulnerability that allows remote attackers to mani…
    CVE-2021-47732 (CVSS 5.1) — CMSimple 5.2 contains a stored cross-site scripting vulnerability in the Filebrowser External input field that…
    CVE-2024-58280 (CVSS 8.6) — CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify …
    CVE-2024-57548 (CVSS 9.1) — CMSimple 5.16 allows the user to edit log.php file via print page.…
    CVE-2024-57547 (CVSS 7.5) — Insecure Permissions vulnerability in CMSimple v.5.16 allows a remote attacker to obtain sensitive information…
    CVE-2024-57546 (CVSS 7.5) — An issue in CMSimple v.5.16 allows a remote attacker to obtain sensitive information via a crafted script to t…
    CVE-2024-57549 (CVSS 7.5) — CMSimple 5.16 allows the user to read cms source code through manipulation of the file name in the file parame…
    CVE-2024-33424 (CVSS 6.1) — A cross-site scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute …
    CVE-2024-33423 (CVSS 7.4) — Cross-Site Scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute ar…

    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