What’s Vulnerable › Vulnerabilities

CVE-2021-26549

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-09 · updated 2026-06-17
• Weakness: CWE-79

Description

An XSS issue was discovered in SmartFoxServer 2.17.0. Input passed to the AdminTool console is not properly sanitized before being returned to the user. This can be exploited to execute arbitrary HTML code in a user's browser session in context of an affected site.

Affected products

• Smartfoxserver: 2.17.0

References

• http://packetstormsecurity.com/files/161335/SmartFoxServer-2X-2.17.0-God-Mode-Console-WebSocket-Cross-Site-Scripting.html
• https://www.smartfoxserver.com
• https://www.zeroscience.mk/en/vulnerabilities/
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5626.php
• http://packetstormsecurity.com/files/161335/SmartFoxServer-2X-2.17.0-God-Mode-Console-WebSocket-Cross-Site-Scripting.html
• https://www.smartfoxserver.com
• https://www.zeroscience.mk/en/vulnerabilities/
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5626.php

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