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    CVE-2020-20691

    An issue in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML via bypassing the file extension filter and uploading crafted HTML files.

    Published:Sep 27, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 27, 2021
    EPSS Score:0.0023
    CVSS Score:6.5

    Affected Products

    Vendor
    Monstra
    Product
    Monstra Cms

    Exploits

    https://github.com/monstra-cms/monstra/issues/461https://github.com/monstra-cms/monstra/issues/461

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

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    CVE-2024-36773 (CVSS 4.8) — A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scr…
    CVE-2024-36775 (CVSS 5.4) — A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scr…
    CVE-2020-23697 (CVSS 5.4) — Cross Site Scripting vulnerabilty in Monstra CMS 3.0.4 via the page feature in admin/index.php.…
    CVE-2020-23219 (CVSS 8.8) — Monstra CMS 3.0.4 allows attackers to execute arbitrary code via a crafted payload entered into the "Snippet c…
    CVE-2020-23205 (CVSS 5.4) — A stored cross site scripting (XSS) vulnerability in Monstra CMS version 3.0.4 allows attackers to execute arb…
    CVE-2020-13978 (CVSS 7.2) — Monstra CMS 3.0.4 allows an attacker, who already has administrative access to modify .chunk.php files on the …
    CVE-2018-19599 (CVSS 5.4) — Monstra CMS 1.6 allows XSS via an uploaded SVG document to the admin/index.php?id=filesmanager&path=uploads/ U…
    CVE-2018-11227 (CVSS 6.1) — Monstra CMS 3.0.4 and earlier has XSS via index.php.…
    CVE-2018-11678 (CVSS 9.8) — plugins/box/users/users.plugin.php in Monstra CMS 3.0.4 allows Login Rate Limiting Bypass via manipulation of …

    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