{"id":"CVE-2024-13993","state":"PUBLISHED","title":"Nagios XI < 2024R1.1.2 Reflected XSS via Login Page on Older Browsers","description":"Nagios XI versions prior to < 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.","publishedAt":"2025-10-30T21:43:55.640Z","updatedAt":"2025-11-17T18:21:47.166Z","severity":{"score":5.1,"label":"Medium","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["Nagios XI"],"affected":[{"vendor":"Nagios","product":"XI","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2024R1.1.2","versionType":"custom"}],"modules":["Login Page"]}],"references":["https://www.nagios.com/products/security/#nagios-xi","https://www.nagios.com/changelog/nagios-xi/","https://www.vulncheck.com/advisories/nagios-xi-reflected-xss-via-login-page-on-older-browsers"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:50.777Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/13xxx/CVE-2024-13993.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-13993","state":"PUBLISHED","datePublished":"2025-10-30T21:43:55.640Z","dateUpdated":"2025-11-17T18:21:47.166Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2025-10-22T15:52:40.870Z"},"containers":{"cna":{"title":"Nagios XI < 2024R1.1.2 Reflected XSS via Login Page on Older Browsers","descriptions":[{"lang":"en","value":"Nagios XI versions prior to < 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."}],"affected":[{"vendor":"Nagios","product":"XI","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2024R1.1.2","versionType":"custom"}],"modules":["Login Page"]}],"references":[{"url":"https://www.nagios.com/products/security/#nagios-xi","tags":["vendor-advisory","patch"]},{"url":"https://www.nagios.com/changelog/nagios-xi/","tags":["release-notes","patch"]},{"url":"https://www.vulncheck.com/advisories/nagios-xi-reflected-xss-via-login-page-on-older-browsers","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2025-11-17T18:21:47.166Z"},"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:*:*:*:*:*:*:*","versionEndExcluding":"r1.1.2"}]}]}],"impacts":[{"capecId":"CAPEC-591","descriptions":[{"lang":"en","value":"CAPEC-591 Reflected XSS"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">Nagios addresses this vulnerability as \"</span><span style=\"background-color: rgb(255, 255, 255);\">Nagios XI 2024R1.1.1 and earlier may be vulnerable to a reflected XSS in its login page when using older browsers</span><span style=\"background-color: rgb(255, 255, 255);\">\" (within the \"Security Disclosures\" site) and it's unclear where or if it's addressed within the changelog.</span><br>"}],"value":"Nagios addresses this vulnerability as \"Nagios XI 2024R1.1.1 and earlier may be vulnerable to a reflected XSS in its login page when using older browsers\" (within the \"Security Disclosures\" site) and it's unclear where or if it's addressed within the changelog."}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-31T13:04:23.932855Z","id":"CVE-2024-13993","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-31T13:23:45.427Z"}}]}}}