{"id":"CVE-2024-13993","aliases":["EUVD-2024-55048","GHSA-f59v-q7cp-mw78"],"status":"published","title":"Nagios XI \u003c 2024R1.1.2 Reflected XSS via Login Page on Older Browsers","description":"Nagios XI versions prior to \u003c 2024R1.1.2 are vulnerable to a reflected cross-site scripting (XSS) via the login page when accessed with older web browsers. Insufficient validation or escaping of user-supplied input reflected by the login page can allow an attacker to craft a malicious link that, when visited by a victim, executes arbitrary JavaScript in the victim’s browser within the Nagios XI origin. The issue is observable under legacy browser behaviors; modern browsers may mitigate some vectors.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00795,"percentile":0.56704,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-10-30T21:43:55Z","modified":"2026-10-02T00:10:00Z","products":[{"vendor":"nagios","product":"nagios_xi"},{"vendor":"nagios","product":"xi"}],"references":[{"url":"https://www.nagios.com/products/security/#nagios-xi","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://www.nagios.com/changelog/nagios-xi/","tags":["release-notes","patch","Release Notes"]},{"url":"https://www.vulncheck.com/advisories/nagios-xi-reflected-xss-via-login-page-on-older-browsers","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-13993"},{"url":"https://www.nagios.com/changelog/nagios-xi"},{"url":"https://github.com/advisories/GHSA-f59v-q7cp-mw78"}],"sources":{"cve":[{"id":"CVE-2024-13993","title":"Nagios XI \u003c 2024R1.1.2 Reflected XSS via Login Page on Older Browsers","description":"Nagios XI versions prior to \u003c 2024R1.1.2 are vulnerable to a reflected cross-site scripting (XSS) via the login page when accessed with older web browsers. Insufficient validation or escaping of user-supplied input reflected by the login page can allow an attacker to craft a malicious link that, when visited by a victim, executes arbitrary JavaScript in the victim’s browser within the Nagios XI origin. The issue is observable under legacy browser behaviors; modern browsers may mitigate some vectors.","status":"published","published":"2025-10-30T21:43:55.64Z","modified":"2025-11-17T18:21:47.166Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:13.64024Z"}],"euvd":[{"id":"EUVD-2024-55048","description":"Nagios XI versions prior to \u003c 2024R1.1.2 are vulnerable to a reflected cross-site scripting (XSS) via the login page when accessed with older web browsers. Insufficient validation or escaping of user-supplied input reflected by the login page can allow an attacker to craft a malicious link that, when visited by a victim, executes arbitrary JavaScript in the victim’s browser within the Nagios XI origin. The issue is observable under legacy browser behaviors; modern browsers may mitigate some vectors.","status":"published","published":"2025-10-30T21:43:55Z","modified":"2025-11-17T18:21:47Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:49:16.200687Z"}],"ghsa":[{"id":"GHSA-f59v-q7cp-mw78","title":"Nagios XI versions prior to \u003c 2024R1.1.2 are vulnerable to a reflected cross-site scripting (XSS)...","description":"Nagios XI versions prior to \u003c 2024R1.1.2 are vulnerable to a reflected cross-site scripting (XSS) via the login page when accessed with older web browsers. Insufficient validation or escaping of user-supplied input reflected by the login page can allow an attacker to craft a malicious link that, when visited by a victim, executes arbitrary JavaScript in the victim’s browser within the Nagios XI origin. The issue is observable under legacy browser behaviors; modern browsers may mitigate some vectors.","status":"published","published":"2025-10-31T00:30:33Z","modified":"2025-11-06T18:32:47Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/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-2024-13993","description":"Nagios XI versions prior to \u003c 2024R1.1.2 are vulnerable to a reflected cross-site scripting (XSS) via the login page when accessed with older web browsers. Insufficient validation or escaping of user-supplied input reflected by the login page can allow an attacker to craft a malicious link that, when visited by a victim, executes arbitrary JavaScript in the victim’s browser within the Nagios XI origin. The issue is observable under legacy browser behaviors; modern browsers may mitigate some vectors.","status":"published","published":"2025-10-30T22:15:44.623Z","modified":"2026-10-02T00:10:00.18Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:47.444899Z"}]}}