{"id":"CVE-2011-10036","aliases":["EUVD-2011-5267","GHSA-m4h2-vq52-xvqg"],"status":"published","title":"Nagios XI \u003c 2011R1.9 XSS via backend_url JavaScript Link Handler","description":"Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the handling of the \"backend_url\" JavaScript link. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00444,"percentile":0.38833,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-10-30T21:49:05Z","modified":"2026-10-18T00:10:00Z","products":[{"vendor":"nagios","product":"nagios_xi"},{"vendor":"nagios","product":"xi"}],"references":[{"url":"https://www.nagios.com/changelog/nagios-xi/","tags":["release-notes","patch","Release Notes"]},{"url":"https://www.vulncheck.com/advisories/nagios-xi-xss-via-backend-url-javascript-link-handler","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-10036"},{"url":"https://www.nagios.com/changelog/nagios-xi"},{"url":"https://github.com/advisories/GHSA-m4h2-vq52-xvqg"}],"sources":{"cve":[{"id":"CVE-2011-10036","title":"Nagios XI \u003c 2011R1.9 XSS via backend_url JavaScript Link Handler","description":"Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the handling of the \"backend_url\" JavaScript link. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-10-30T21:49:05.959Z","modified":"2025-11-17T18:21:35.913Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:36.252742Z"}],"euvd":[{"id":"EUVD-2011-5267","description":"Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the handling of the \"backend_url\" JavaScript link. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-10-30T21:49:05Z","modified":"2025-11-17T18:21:35Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:49:16.584357Z"}],"ghsa":[{"id":"GHSA-m4h2-vq52-xvqg","title":"Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the...","description":"Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the handling of the \"backend_url\" JavaScript link. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-10-31T00:30:30Z","modified":"2025-11-06T15:32:08Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:41.281435Z"}],"nvd":[{"id":"CVE-2011-10036","description":"Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the handling of the \"backend_url\" JavaScript link. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.","status":"published","published":"2025-10-30T22:15:35.223Z","modified":"2026-10-18T00:10:00.123Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:02:12.945371Z"}]}}