Lucene search
+L

CVE-2026-18116

🗓️ 14 Sep 2026 22:05:49Reported by ConcreteCMSType 
cve
 cve
🔗 web.nvd.nist.gov👁 49 Views🌐 WEB

Stored XSS in Concrete CMS 8.3.0-9.5.2 via calendar event names in workflow notifications.

Related
Detection
Affected
Refs
Paths
NVD
Node
concretecmsconcrete_cmsRange8.3.0–9.5.3
[
  {
    "vendor": "Concrete CMS",
    "product": "Concrete CMS",
    "collectionURL": "https://github.com/concretecms/concretecms",
    "repo": "https://github.com/concretecms/concretecms",
    "versions": [
      {
        "status": "affected",
        "version": "8.3.0",
        "lessThanOrEqual": "9.5.2",
        "versionType": "git"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
ParameterPositionPathDescriptionCWE
uNamerequest body/dashboard/users/add/submitPOST endpoint that creates a new user (potential backdoor admin) using attacker-supplied data and CSRF token.CWE-79
uPasswordrequest body/dashboard/users/add/submitPOST endpoint that creates a new user (potential backdoor admin) using attacker-supplied data and CSRF token.CWE-79
uPasswordConfirmrequest body/dashboard/users/add/submitPOST endpoint that creates a new user (potential backdoor admin) using attacker-supplied data and CSRF token.CWE-79
uEmailrequest body/dashboard/users/add/submitPOST endpoint that creates a new user (potential backdoor admin) using attacker-supplied data and CSRF token.CWE-79
gID[]request body/dashboard/users/add/submitPOST endpoint that creates a new user (potential backdoor admin) using attacker-supplied data and CSRF token.CWE-79
ccm_tokenrequest body/dashboard/users/add/submitPOST endpoint that creates a new user (potential backdoor admin) using attacker-supplied data and CSRF token.CWE-79
uNamerequest body/index.php/dashboard/users/add/submitPOST variant of the user-creation endpoint used in PoC to establish a backdoor admin account.CWE-79
uPasswordrequest body/index.php/dashboard/users/add/submitPOST variant of the user-creation endpoint used in PoC to establish a backdoor admin account.CWE-79
uPasswordConfirmrequest body/index.php/dashboard/users/add/submitPOST variant of the user-creation endpoint used in PoC to establish a backdoor admin account.CWE-79
uEmailrequest body/index.php/dashboard/users/add/submitPOST variant of the user-creation endpoint used in PoC to establish a backdoor admin account.CWE-79
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

21 Sep 2026 17:49Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.1
CVSS 47.3
EPSS0.00256
SSVC
49