Cross-site scripting in Hybrid Cloud Observability - CVE-2025-26391
Published: November 18, 2025 / Updated: January 30, 2026
Vulnerability identifier: #VU118571
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-26391
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in user-created URL fields. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Hybrid Cloud Observability
Orion Platform
Orion Platform
How to mitigate CVE-2025-26391
Install updates from vendor's website.
Hybrid Cloud Observability - update to 2025.4.1
Orion Platform - update to 2025.4.1
Orion Platform - update to 2025.4.1