CVE-2025-55321
published 2025-10-09CVE-2025-55321: Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over…
PriorityP427medium5.4CVSS 3.1
AVNACLPRLUIRSCCLILAN
EPSS
0.41%
33.4th percentile
Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | azure_monitor | — | — |
| msrc | azure_monitor | — | — |
CVSS provenance
nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
vendor_msrc9.3CRITICAL
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GHSA
GHSA-96rv-gm93-8wx5: Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an authorized attacker to perform spoofin
ghsa_unreviewed·2025-10-09
CVE-2025-55321 [HIGH] CWE-79 GHSA-96rv-gm93-8wx5: Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an authorized attacker to perform spoofin
Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an authorized attacker to perform spoofing over a network.
Microsoft
Azure Monitor Log Analytics Spoofing Vulnerability
vendor_msrc·2025-10-14·CVSS 9.3
CVE-2025-55321 [CRITICAL] CWE-79 Azure Monitor Log Analytics Spoofing Vulnerability
Azure Monitor Log Analytics Spoofing Vulnerability
Description: Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.
FAQ: Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?
This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.
Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.
Azure Monitor: Azure Monitor
Microsoft: Microsoft
Customer Action Required: No
Impact: Spoofing
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Re
No detection rules found.
No public exploits indexed.
2025-10-09
Published