Auth/Yadis/XML.php in PHP OpenID Library 2.2.2 and earlier allows remote attackers to read arbitrary files, send HTTP requests to intranet servers, or cause a denial of service (CPU and memory consumption) via XRDS data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.
{
    "nvd_published_at": "2013-08-21T16:55:00Z",
    "severity": "HIGH",
    "github_reviewed_at": "2023-08-29T18:03:31Z",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-400"
    ]
}