{"cve":"CVE-2005-4521","nvd":{"published":"2005-12-28T01:03:00.000","modified":"2026-06-16T22:18:57.270","status":"Modified","description":"CRLF injection vulnerability in Mantis 1.0.0rc3 and earlier allows remote attackers to modify HTTP headers and conduct HTTP response splitting attacks via (1) the return parameter in login_cookie_test.php and (2) ref parameter in login_select_proj_page.php.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://secunia.com/advisories/18181/","http://secunia.com/advisories/18221","http://secunia.com/advisories/18481","http://sourceforge.net/project/shownotes.php?release_id=377932&group_id=14963","http://sourceforge.net/project/shownotes.php?release_id=377934&group_id=14963"],"products":[],"source":"nvd","synced_at":"2026-10-19T19:40:09.211843075+00:00"},"epss":{"cve":"CVE-2005-4521","score":0.0217,"percentile":0.82283,"date":"2026-11-01"},"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."]}