{"cve":"CVE-2009-2820","nvd":{"published":"2009-11-10T19:30:01.217","modified":"2026-06-16T23:10:17.413","status":"Modified","description":"The web interface in CUPS before 1.4.2, as used on Apple Mac OS X before 10.6.2 and other platforms, does not properly handle (1) HTTP headers and (2) HTML templates, which allows remote attackers to conduct cross-site scripting (XSS) attacks and HTTP response splitting attacks via vectors related to (a) the product's web interface, (b) the configuration of the print system, and (c) the titles of printed jobs, as demonstrated by an XSS attack that uses the kerberos parameter to the admin program, and leverages attribute injection and HTTP Parameter Pollution (HPP) issues.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html","http://secunia.com/advisories/37308","http://secunia.com/advisories/37360","http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021115.1-1","http://support.apple.com/kb/HT3937"],"products":["apple:mac_os_x","apple:mac_os_x_server"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2820","score":0.0578,"percentile":0.93093,"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."]}