.. / CVE-2021-20137

• XSS
• Nuclei
• Web

Exploit for Gryphon Tower - Cross-Site Scripting (CVE-2021-20137)

Description:

Gryphon Tower router web interface contains a reflected cross-site scripting vulnerability in the url parameter of the /cgi-bin/luci/site_access/ page. An attacker can exploit this issue by tricking a user into following a specially crafted link, granting the attacker JavaScript execution in the victim’s browser.

Nuclei Template

View the template here CVE-2021-20137.yaml

Validate with Nuclei

echo "$URL" | nuclei -t ~/nuclei-templates/http/cves/2021/CVE-2021-20137.yaml

References: