Cross-site Scripting (XSS)

Overview concrete5/concrete5 is a concrete5 open source CMS. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the height parameter. An attacker can execute arbitrary JavaScript in the context of a user's browser by injecting malicious scripts through this parameter...

GHSA-9V2G-37MP-QPXF Concrete CMS has Stored XSS through its height parameter

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

Concrete CMS has Stored XSS through its height parameter

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

CVE-2026-7886

Concrete CMS versions 9.5.0 and below are vulnerable to an IDOR in AddMessage/UpdateMessage via the attachments[] parameter. The AddMessage and UpdateMessage controllers load files by ID with $em->find(File::class, $attachmentID) without per-file permission checks (canViewFile()), enabling a u...

CVE-2026-7886 Concrete CMS 9.5.0 and below is vulnerable to IDOR in AddMessage/UpdateMessage via attachments[] parameter

Concrete CMS 9.5.0 and below is vulnerable to IDOR in AddMessage/UpdateMessage via attachments parameter which can lead to file permission bypass. The AddMessage and UpdateMessage conversation controllers accept user-supplied file attachment IDs and load files directly via $em-findFile::class,...

CVE-2026-8203

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

CVE-2026-7881

Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference IDOR in the Express Entry Detail block via the exEntryID parameter. This IDOR leads to unauthorized access to all Express form submissions. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3...

CVE-2026-7881

CVE-2026-7881 affects Concrete CMS 9.5.0 and earlier. The vulnerability is an Insecure Direct Object Reference (IDOR) in the Express Entry Detail block via the exEntryID parameter, enabling unauthorized access to all Express form submissions. The CVSS v4.0 score is 6.3 (AV:N/AC:L/AT:P/PR:N/UI:N/V...

CVE-2026-7881 Concrete CMS 9.5.0 and below is vulnerable to IDOR in the Express Entry Detail block

Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference IDOR in the Express Entry Detail block via the exEntryID parameter. This IDOR leads to unauthorized access to all Express form submissions. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3...

CVE-2026-7881 Concrete CMS 9.5.0 and below is vulnerable to IDOR in the Express Entry Detail block

Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference IDOR in the Express Entry Detail block via the exEntryID parameter. This IDOR leads to unauthorized access to all Express form submissions. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3...

CVE-2026-7881 Concrete CMS 9.5.0 and below is vulnerable to IDOR in the Express Entry Detail block

Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference IDOR in the Express Entry Detail block via the exEntryID parameter. This IDOR leads to unauthorized access to all Express form submissions. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3...

CVE-2026-8203

Affected software : Concrete CMS 9.5.0 and below. Vulnerability : Stored XSS on the height parameter due to lack of validation/sanitization of $height in the controller. Impact : Any visitor could execute malicious JavaScript in their browser when a user with editor privileges injects payloads, p...

CVE-2026-8203 Concrete CMS 9.5.0 and below has Stored XSS on the height parameter

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

CVE-2026-8203

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

CVE-2026-8203 Concrete CMS 9.5.0 and below has Stored XSS on the height parameter

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

CVE-2026-8203 Concrete CMS 9.5.0 and below has Stored XSS on the height parameter

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

EUVD-2026-31341

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via the RedirectUrl parameter in UmbLoginStatusController, UmbRegisterController, UmbProfileController controllers. An attacker can redirect users to arbitrary external sites by supplying a crafted URL in user-controlled...

CVE-2026-47068

Authorization Bypass Through User-Controlled Key vulnerability in phenixdigital phoenixstorybook allows cross-session PubSub topic injection via a URL query parameter. 'Elixir.PhoenixStorybook.Story.ComponentIframeLive':handleparams/3 in lib/phoenixstorybook/live/story/componentiframelive.ex read...

CVE-2026-23734

XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg=false, leading to Path Traversal. The vulnerability i...