CVE-2020-12256

rConfig 3.9.4 is vulnerable to reflected XSS. The devicemgmnt.php file improperly validates user input. An attacker can exploit this by crafting arbitrary JavaScript in the deviceId GET parameter to devicemgmnt.php.

• CWE-79

• https://gist.github.com/farid007/8855031bad0e497264e4879efb5bc9f8Exploit, Third Party Advisory
• https://gist.github.com/farid007/8855031bad0e497264e4879efb5bc9f8Exploit, Third Party Advisory

Published

May 18, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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