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cve.new
GHSA-2mvg-c6mg-3q63medium6.1

Concrete CMS vulnerable to cross-site scripting (XSS)

Check your stack

The advisory, in context

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 name in the Host header. This is stored and allows for arbitrary domains to be set for certain links displayed to subsequent visitors, potentially an XSS vector.

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Ecosystem versions

Earlier releases through 8.1.0 (inclusive)

No fix recorded for this interval.

5 explicitly affected versions

8.0, 8.0.1, 8.0.2, 8.0.3, 8.1.0

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "0"
        },
        {
          "last_affected": "8.1.0"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "8.0",
    "8.0.1",
    "8.0.2",
    "8.0.3",
    "8.1.0"
  ]
}

References