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ID:12799 - Exploit for Stored cross-site scripting in OPNsense - CVE-2026-58392
ID:12799 - Exploit for Stored cross-site scripting in OPNsense - CVE-2026-58392
Published: July 3, 2026
Vulnerability identifier: #VU136836
Vulnerability risk: Low
CVE-ID: CVE-2026-58392
CWE-ID: CWE-79
Exploitation vector: Remote access
Vulnerable software:
OPNsense
OPNsense
Link to public exploit:
Vulnerability description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the NTP GPS configuration page. 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.
Remediation
Install updates from vendor's website.