What’s Vulnerable › Vulnerabilities

CVE-2016-10256

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-10 · updated 2026-06-17
• Weakness: CWE-79

Description

The Symantec ProxySG 6.5 (prior to 6.5.10.6), 6.6, and 6.7 (prior to 6.7.2.1) management console is susceptible to a reflected XSS vulnerability. A remote attacker can use a crafted management console URL in a phishing attack to inject arbitrary JavaScript code into the management console web client application. This is a separate vulnerability from CVE-2016-10257.

Affected products

• Symantec Corporation ProxySG: from 6.5 before 6.5.10.6; from 6.7 before 6.7.2.1; 6.6 — fixed in 6.5.10.6, 6.7.2.1

How to fix

Upgrade to a fixed version: Symantec Corporation ProxySG 6.5.10.6, 6.7.2.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/102451
• http://www.securitytracker.com/id/1040138
• https://www.symantec.com/security-center/network-protection-security-advisories/SA155
• http://www.securityfocus.com/bid/102451
• http://www.securitytracker.com/id/1040138
• https://www.symantec.com/security-center/network-protection-security-advisories/SA155

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