{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-13993","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2025-10-22T15:52:40.870Z","datePublished":"2025-10-30T21:43:55.640Z","dateUpdated":"2025-11-17T18:21:47.166Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["Login Page"],"product":"XI","vendor":"Nagios","versions":[{"lessThan":"2024R1.1.2","status":"affected","version":"0","versionType":"custom"}]}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:*:*:*:*:*:*:*","versionEndExcluding":"r1.1.2"}]}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Nagios XI versions prior to &lt; 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.&nbsp;The issue is observable under legacy browser behaviors; modern browsers may mitigate some vectors.<br>"}],"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."}],"impacts":[{"capecId":"CAPEC-591","descriptions":[{"lang":"en","value":"CAPEC-591 Reflected XSS"}]}],"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":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2025-11-17T18:21:47.166Z"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.nagios.com/products/security/#nagios-xi"},{"tags":["release-notes","patch"],"url":"https://www.nagios.com/changelog/nagios-xi/"},{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nagios-xi-reflected-xss-via-login-page-on-older-browsers"}],"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"},"title":"Nagios XI < 2024R1.1.2 Reflected XSS via Login Page on Older Browsers","x_generator":{"engine":"vulncheck"}},"adp":[{"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"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-31T13:23:45.427Z"}}]}}