{"id":"CVE-2025-55321","title":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.","summary":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.","severity":"critical","cvss":9.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","cwe":["CWE-79"],"vendor":"microsoft","product":"azure_monitor","affected":["azure_monitor"],"published":"2025-10-09","updated":"2026-10-08","sourceUpdated":"2026-10-08T13:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-55321","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55321","label":"secure@microsoft.com"}],"tags":["nvd"],"epss":0.00443,"epssPercentile":0.36485,"ingestedAt":"2026-10-08T13:42:55.063Z","slug":"CVE-2025-55321","body":"## Overview\n\nImproper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.\n\n## Affected\n\n- `azure_monitor`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":51.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}