{"id":"CVE-2011-2904","aliases":["DEBIAN-CVE-2011-2904","EUVD-2011-2877","GHSA-5cpx-pcr7-g2xj"],"status":"published","title":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote...","description":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01957,"percentile":0.80417,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2011-08-19T21:00:00Z","modified":"2026-10-23T17:47:43Z","fixes":[{"ecosystem":"Debian:12","package":"zabbix","fixed_in":["1:1.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"zabbix","fixed_in":["1:1.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"zabbix","fixed_in":["1:1.8.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"zabbix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"zabbix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"zabbix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.8.6-1"}]}]}],"products":[{"vendor":"zabbix","product":"zabbix"}],"references":[{"url":"http://secunia.com/advisories/45502","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/49016","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2011/08/09/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.zabbix.com/rn1.8.6.php","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2011/08/08/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063904.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://support.zabbix.com/browse/ZBX-3835","tags":["x_refsource_CONFIRM","x_transferred","Exploit","evidence"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063884.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=729162","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://secunia.com/advisories/45677","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/69025","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2904"},{"url":"https://github.com/advisories/GHSA-5cpx-pcr7-g2xj"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-2904","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-2904","description":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.","status":"published","published":"2011-08-19T21:00:00Z","modified":"2024-08-06T23:15:31.951Z","updated_at":"2026-11-02T14:35:36.603688Z"}],"euvd":[{"id":"EUVD-2011-2877","description":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.","status":"published","published":"2011-08-19T21:00:00Z","modified":"2024-08-06T23:15:31Z","updated_at":"2026-11-03T01:39:54.084102Z"}],"ghsa":[{"id":"GHSA-5cpx-pcr7-g2xj","title":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote...","description":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.","status":"published","published":"2022-05-17T01:54:24Z","modified":"2023-02-03T05:06:09Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:53:51.237254Z"}],"nvd":[{"id":"CVE-2011-2904","description":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.","status":"published","published":"2011-08-19T21:55:02.697Z","modified":"2026-06-16T23:32:13.3Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:02:09.988332Z"}],"osv":[{"id":"CVE-2011-2904","description":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.","status":"published","published":"2011-08-19T21:55:02Z","modified":"2026-04-10T03:41:53.703051Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-2904","description":"Cross-site scripting (XSS) vulnerability in acknow.php in Zabbix before 1.8.6 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.","status":"published","published":"2011-08-19T21:55:02.697Z","modified":"2026-10-23T17:47:43.331509979Z","updated_at":"2026-11-02T15:45:24.612044Z"}]}}