{"id":"CVE-2002-0840","aliases":["BELL-CVE-2002-0840","DEBIAN-CVE-2002-0840","DSA-187","DSA-188","DSA-195","EUVD-2002-0832","GHSA-rg25-cp4q-r4c8"],"status":"published","title":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43,...","description":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.95087,"percentile":0.99863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2002-10-11T04:00:00Z","modified":"2026-10-22T23:47:22Z","exploits":[{"source":"exploitdb","id":"EDB-21885","title":"Apache 1.3/2.0.x - Server Side Include Cross-Site Scripting","type":"remote","platform":"multiple","date":"2002-10-02","verified":true,"url":"https://www.exploit-db.com/exploits/21885"}],"fixes":[{"ecosystem":"Debian:12","package":"apache2","fixed_in":["2.0.43-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"apache2","fixed_in":["2.0.43-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"apache2","fixed_in":["2.0.43-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"apache2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.43-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"apache2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.43-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"apache2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.43-1"}]}]},{"source":"osv","ecosystem":"Debian:3.0","package":"apache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.26-0woody"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"apache-ssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.26.1+1.48-0woody3"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:3.0","package":"apache-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.26-1-1.26-0woody2"}]}],"bundled":5}],"products":[{"vendor":"apache","product":"http_server"},{"vendor":"oracle","product":"application_server"},{"vendor":"oracle","product":"database_server"},{"vendor":"oracle","product":"oracle8i"},{"vendor":"oracle","product":"oracle9i"}],"references":[{"url":"http://www.debian.org/security/2002/dsa-188","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://marc.info/?l=apache-httpd-announce\u0026m=103367938230488\u0026w=2","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.linuxsecurity.com/advisories/other_advisory-2414.html","tags":["vendor-advisory","x_refsource_ENGARDE","x_transferred","advisory"]},{"url":"http://online.securityfocus.com/advisories/4617","tags":["vendor-advisory","x_refsource_HP","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2002/dsa-187","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.apacheweek.com/issues/02-10-04","tags":["x_refsource_CONFIRM","x_transferred","Vendor 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"sources":{"cve":[{"id":"CVE-2002-0840","description":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T03:03:48.928Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0832","description":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T03:03:48Z","updated_at":"2026-11-03T01:14:59.095718Z"}],"ghsa":[{"id":"GHSA-rg25-cp4q-r4c8","title":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43,...","description":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.","status":"published","published":"2022-05-03T03:08:01Z","modified":"2023-02-01T05:01:04Z","updated_at":"2026-11-02T14:49:39.648637Z"}],"nvd":[{"id":"CVE-2002-0840","description":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.","status":"published","published":"2002-10-11T04:00:00Z","modified":"2026-06-16T21:58:14.31Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.827505Z"}],"osv":[{"id":"BELL-CVE-2002-0840","title":"CVE-2002-0840 does not affect BellSoft software","status":"withdrawn","published":"2002-10-11T04:00:00Z","modified":"2026-01-28T07:25:36.731265Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2002-0840","description":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.","status":"published","published":"2002-10-11T04:00:00Z","modified":"2026-04-10T03:34:25.923697Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2002-0840","description":"Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is \"Off\" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.","status":"published","published":"2002-10-11T04:00:00Z","modified":"2026-10-22T23:47:22.657117565Z","updated_at":"2026-11-02T15:45:22.248131Z"},{"id":"DSA-187","title":"apache - several vulnerabilities","status":"published","published":"2002-11-04T00:00:00Z","modified":"2026-03-09T01:22:29.519282Z","updated_at":"2026-11-02T15:46:14.734124Z"},{"id":"DSA-188","title":"apache-ssl - several vulnerabilities","status":"published","published":"2002-11-05T00:00:00Z","modified":"2026-03-09T01:21:32.914006Z","updated_at":"2026-11-02T15:46:14.734124Z"},{"id":"DSA-195","title":"apache-perl - several vulnerabilities","status":"published","published":"2002-11-13T00:00:00Z","modified":"2026-03-09T01:22:17.880663Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}