{"cve":"CVE-2013-4701","nvd":{"published":"2013-08-21T16:55:11.310","modified":"2026-06-16T23:57:44.947","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://jvn.jp/en/jp/JVN24713981/index.html","http://jvndb.jvn.jp/jvndb/JVNDB-2013-000080","http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00028.html","http://lists.opensuse.org/opensuse-updates/2016-08/msg00083.html","https://github.com/openid/php-openid/commit/625c16bb28bb120d262b3f19f89c2c06cb9b0da9"],"products":["janrain:php-openid"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-4701","score":0.02997,"percentile":0.87353,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}