{"cve":"CVE-2007-3799","nvd":{"published":"2007-07-16T22:30:00.000","modified":"2026-06-16T22:42:45.367","status":"Modified","description":"The session_start function in ext/session in PHP 4.x up to 4.4.7 and 5.x up to 5.2.3 allows remote attackers to insert arbitrary attributes into the session cookie via special characters in a cookie that is obtained from (1) PATH_INFO, (2) the session_id function, and (3) the session_start function, which are not encoded or filtered when the new session cookie is generated, a related issue to CVE-2006-0207.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://docs.info.apple.com/article.html?artnum=307562","http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html","http://osvdb.org/36855","http://rhn.redhat.com/errata/RHSA-2007-0889.html","http://secunia.com/advisories/26871"],"products":["php:php"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-3799","score":0.07919,"percentile":0.94725,"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."]}