{ "containers": { "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "Nagios XI version xi-5.7.5 is affected by cross-site scripting (XSS). The vulnerability exists in the file /usr/local/nagiosxi/html/admin/sshterm.php due to improper sanitization of user-controlled input. A maliciously crafted URL, when clicked by an admin user, can be used to steal his/her session cookies or it can be chained with the previous bugs to get one-click remote command execution (RCE) on the Nagios XI server." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2026-07-04T23:36:44.595Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "url": "https://assets.nagios.com/downloads/nagiosxi/versions.php" }, { "url": "https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md" }, { "url": "http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-25299", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Nagios XI version xi-5.7.5 is affected by cross-site scripting (XSS). The vulnerability exists in the file /usr/local/nagiosxi/html/admin/sshterm.php due to improper sanitization of user-controlled input. A maliciously crafted URL, when clicked by an admin user, can be used to steal his/her session cookies or it can be chained with the previous bugs to get one-click remote command execution (RCE) on the Nagios XI server." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://nagios.com", "refsource": "MISC", "url": "http://nagios.com" }, { "name": "https://assets.nagios.com/downloads/nagiosxi/versions.php", "refsource": "MISC", "url": "https://assets.nagios.com/downloads/nagiosxi/versions.php" }, { "name": "https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md", "refsource": "MISC", "url": "https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md" }, { "name": "http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html" } ] } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-09T00:12:28.161Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://assets.nagios.com/downloads/nagiosxi/versions.php" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html" } ] } ] }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-25299", "datePublished": "2021-02-15T12:32:03.000Z", "dateReserved": "2021-01-18T00:00:00.000Z", "dateUpdated": "2026-07-09T00:12:28.161Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.2" }