{"id":"CVE-2023-7312","state":"PUBLISHED","title":"Nagios Fusion < 4.2.0 Email Settings Stored XSS via SMTP/sendmail","description":"Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability when adding or configuring Email Settings. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affected page. An attacker who can add or modify SMTP/email settings or manipulate the sendmail configuration fields could persist a malicious payload that executes in the context of other users' browsers.","publishedAt":"2025-10-30T21:19:51.723Z","updatedAt":"2025-11-17T21:36:23.135Z","severity":{"score":6.2,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Nagios Fusion"],"affected":[{"vendor":"Nagios","product":"Fusion","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.2.0","versionType":"semver"}],"modules":["Email Settings"]}],"references":["https://www.nagios.com/products/security/#fusion","https://www.nagios.com/changelog/nagios-fusion/","https://www.vulncheck.com/advisories/nagios-fusion-email-settings-stored-xss-via-smtp-sendmail"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/7xxx/CVE-2023-7312.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-7312","state":"PUBLISHED","datePublished":"2025-10-30T21:19:51.723Z","dateUpdated":"2025-11-17T21:36:23.135Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2025-10-17T15:49:12.091Z"},"containers":{"cna":{"title":"Nagios Fusion < 4.2.0 Email Settings Stored XSS via SMTP/sendmail","descriptions":[{"lang":"en","value":"Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability when adding or configuring Email Settings. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affected page. An attacker who can add or modify SMTP/email settings or manipulate the sendmail configuration fields could persist a malicious payload that executes in the context of other users' browsers."}],"affected":[{"vendor":"Nagios","product":"Fusion","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.2.0","versionType":"semver"}],"modules":["Email Settings"]}],"references":[{"url":"https://www.nagios.com/products/security/#fusion","tags":["vendor-advisory","patch"]},{"url":"https://www.nagios.com/changelog/nagios-fusion/","tags":["release-notes","patch"]},{"url":"https://www.vulncheck.com/advisories/nagios-fusion-email-settings-stored-xss-via-smtp-sendmail","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.2,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/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":"2025-11-17T21:36:23.135Z"},"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:fusion:*:*:*:*:*:*:*:*","versionEndExcluding":"4.2.0"}]}]}],"credits":[{"lang":"en","type":"finder","value":"Tisha Manandhar"}],"impacts":[{"capecId":"CAPEC-592","descriptions":[{"lang":"en","value":"CAPEC-592 Stored XSS"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">Nagios addresses this vulnerability as \"Stored XSS when adding Email Settings via SMTP,\" \"Stored XSS when configuring Email Settings via sendmail,\" and \"Fixed XSS in Admin-&gt;Email Settings.\"</span><br>"}],"value":"Nagios addresses this vulnerability as \"Stored XSS when adding Email Settings via SMTP,\" \"Stored XSS when configuring Email Settings via sendmail,\" and \"Fixed XSS in Admin->Email Settings.\""}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-03T18:36:58.549361Z","id":"CVE-2023-7312","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-03T18:37:04.782Z"}}]}}}