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    CVE-2023-53891

    Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.

    Published:Dec 15, 2025
    Last Modified:Apr 7, 2026
    EPS:Dec 15, 2025
    EPSS Score:0.00035
    CVSS Score:5.4

    Affected Products

    Vendor
    Blackcat-cms
    Product
    Blackcat Cms

    Exploits

    https://www.exploit-db.com/exploits/51604https://www.exploit-db.com/exploits/51604

    Related CVEs

    CVE-2023-53892 (CVSS 8.6) — Blackcat CMS 1.4 contains a remote code execution vulnerability that allows authenticated administrators to up…
    CVE-2023-44042 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in /settings/index.php of Black Cat CMS 1.4.1 allows attacke…
    CVE-2023-44043 (CVSS 6.1) — A reflected cross-site scripting (XSS) vulnerability in /install/index.php of Black Cat CMS 1.4.1 allows attac…
    CVE-2020-25877 (CVSS 5.4) — A stored cross site scripting (XSS) vulnerability in the 'Add Page' feature of BlackCat CMS 1.3.6 allows authe…
    CVE-2020-25878 (CVSS 4.8) — A stored cross site scripting (XSS) vulnerability in the 'Admin-Tools' feature of BlackCat CMS 1.3.6 allows au…
    CVE-2021-27237 (CVSS 4.8) — The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/pr…
    CVE-2020-25453 (CVSS 8.8) — An issue was discovered in BlackCat CMS before 1.4. There is a CSRF vulnerability (bypass csrf_token) that all…
    CVE-2018-16635 (CVSS 5.4) — Blackcat CMS 1.3.2 allows XSS via the willkommen.php?lang=DE page title at backend/pages/modify.php.…
    CVE-2018-10821 (CVSS 4.8) — Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenti…
    CVE-2015-5079 (CVSS 7.5) — Directory traversal vulnerability in widgets/logs.php in BlackCat CMS before 1.1.2 allows remote attackers to …

    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