Added CVE-2025-66516.yaml Template

[MathematicianGoat]

PR Information

• Added CVE-2025-66516
• References:
  • https://nvd.nist.gov/vuln/detail/CVE-2025-66516
  • https://github.com/chasingimpact/CVE-2025-66516-Writeup-POC

Template validation

• Validated with a host running a vulnerable version and/or configuration (True Positive)
• Validated with a host running a patched version and/or configuration (avoid False Positive)

Additional Details (leave it blank if not applicable)

Additional References:

• Nuclei Template Creation Guideline
• Nuclei Template Matcher Guideline
• Nuclei Template Contribution Guideline
• PD-Community Discord server