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concrete5/concrete5

121 known vulnerabilities.

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  • Low 2.3
    CVE-2026-8347 Public exploit

    Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in Express association Reorder dialog

    Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in the Express association Reorder dialog.  This can cause Cross-entity state tampering with view-only permission on one entry. To be affected, a website has to be using express an…

  • Medium 6.3
    CVE-2026-8337 Public exploit

    Concrete CMS 9.5.0 and below is vulnerable to IDOR in surveys when sites are running concurrent public surveys and private surveys

    Concrete CMS 9.5.0 and below is vulnerable to IDOR in surveys. To be vulnerable, a site would have to be configured in such a way that both public and private surveys are present on the site. An unauthenticated attacker can vote in the restricted survey by su…

  • Medium 6.3
    CVE-2026-8237 Public exploit Scanner template

    Concrete CMS 9.5.0 and below is vulnerable to IDOR in the`/ccm/frontend/conversations/message_detail` endpoint

    Concrete CMS 9.5.0 and below is vulnerable to IDOR. The `/ccm/frontend/conversations/message_detail` endpoint returns the full content of any conversation message. An unauthenticated attacker can enumerate all conversation messages, including messages from re…

  • Medium 6.3
    CVE-2026-8239 Public exploit

    Concrete CMS 9.5.0 and below is vulnerable to IDOR in '/ccm/frontend/conversations/get_rating'

    Concrete CMS 9.5.0 and below is vulnerable to IDOR. The '/ccm/frontend/conversations/get_rating' endpoint confirms existence and returns rating score for any message by ID. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with …

  • Medium 6.9
    CVE-2026-6826 Public exploit Scanner template

    Concrete 9.5.0 and below has file usage disclosure via missing permission check in Usage controller

    Concrete CMS 9.5.0 and below  is vulnerable to unauthenticated file usage disclosure via missing permission check in the usage controller.  Any unauthenticated visitor can request /ccm/system/dialogs/file/usage/{fID} with any file ID and receive a list of eve…

  • Medium 4.8
    CVE-2025-8571 Public exploit

    Concrete CMS 9 through 9.4.2 and below 8.5.21 is vulnerable to Reflected Cross-Site Scripting (XSS) in Conversation Messages Dashboard Page

    Concrete CMS 9 to 9.4.2 and versions below 8.5.21 are vulnerable to Reflected Cross-Site Scripting (XSS) in the Conversation Messages Dashboard Page. Unsanitized input could cause theft of session cookies or tokens, defacement of web content, redirection to m…

  • Low 2.0
    CVE-2025-8573 Public exploit

    Concrete CMS 9 through 9.4.2 is vulnerable to Stored XSS from Home Folder on Members Dashboard page

    Concrete CMS versions 9 through 9.4.2 are vulnerable to Stored XSS from Home Folder on Members Dashboard page.  Version 8 was not affected. A rogue admin could set up a malicious folder containing XSS to which users could be directed upon login. The Concrete …

  • Low 2.0
    CVE-2024-1247 Public exploit

    Concrete CMS version 9 before 9.2.5 vulnerable to stored XSS via the Role Name field

    Concrete CMS version 9 before 9.2.5 is vulnerable to  stored XSS via the Role Name field since there is insufficient validation of administrator provided data for that field. A rogue administrator could inject malicious code into the Role Name field which mig…

  • Medium 5.4
    CVE-2023-44760 Public exploit

    Concrete CMS Cross-site Scripting vulnerability

    Multiple Cross Site Scripting (XSS) vulnerabilities in Concrete CMS v.9.2.1 allow an attacker to execute arbitrary code via a crafted script to the Header and Footer Tracking Codes of the SEO & Statistics. NOTE: the vendor disputes this because these header/f…

  • Medium 5.4
    CVE-2023-44763 Public exploit

    ConcreteCMS vulnerable to Stored Cross-site Scripting

    Concrete CMS v9.2.1 is affected by an Arbitrary File Upload vulnerability via a Thumbnail file upload, which allows Cross-Site Scripting (XSS). NOTE: the vendor's position is that a customer is supposed to know that "pdf" should be excluded from the allowed f…

  • Medium 5.4
    CVE-2023-44764 Public exploit

    ConcreteCMS Cross-site Scripting vulnerability

    A Cross Site Scripting (XSS) vulnerability in Concrete CMS before 9.2.3 exists via the Name parameter during installation (aka Site of Installation or Settings).

  • Medium 5.4
    CVE-2023-44762 Public exploit

    ConcreteCMS Cross-site Scripting vulnerability

    A Cross Site Scripting (XSS) vulnerability in Concrete CMS from versions 9.2.0 to 9.2.2 allows an attacker to execute arbitrary code via a crafted script to the Tags from Settings - Tags.

  • Medium 5.4
    CVE-2023-44761 Public exploit

    ConcreteCMS Cross-site Scripting vulnerability

    Multiple Cross Site Scripting (XSS) vulnerabilities in Concrete CMS versions affected to 8.5.13 and below, and 9.0.0 through 9.2.1 allow a local attacker to execute arbitrary code via a crafted script to the Forms of the Data objects.

  • Medium 5.4
    CVE-2023-44765 Public exploit

    ConcreteCMS Cross-site Scripting vulnerability

    A Cross Site Scripting (XSS) vulnerability in Concrete CMS versions 8.5.12 and below, and 9.0 through 9.2.1 allows an attacker to execute arbitrary code via a crafted script to Plural Handle of the Data Objects from System & Settings.

  • Medium 5.4
    CVE-2023-44766 Public exploit

    ConcreteCMS Cross-site Scripting vulnerability

    A Cross Site Scripting (XSS) vulnerability in Concrete CMS v.9.2.1 allows an attacker to execute arbitrary code via a crafted script to the SEO - Extra from Page Settings. NOTE: the vendor disputes this because this SEO-related header change can only be made …

  • Medium 6.1
    CVE-2017-7725 Public exploit

    Concrete CMS vulnerable to cross-site scripting (XSS)

    concrete5 8.1.0 places incorrect trust in the HTTP Host header during caching, if the administrator did not define a "canonical" URL on installation of concrete5 using the "Advanced Options" settings. Remote attackers can make a GET request with any domain na…