nefeli-apartments-stoupa.gr Improper Access Control vulnerability

nefeli-apartments-stoupa.gr Improper Access Control vulnerability. Security researcher Dakkarkey Helped patch 407 vulnerabilities, 6 Coordinated Disclosure badges, and 14 recommendations. ISO 29147 standard verified and informed the website operator about the vulnerability. Vulnerable application is custom code, with CVSSv3 Score of 6.5. Followed Coordinated Disclosure based on ISO 29147 guidelines. Discovered and Reported by Dakkarkey. Remediation guide can be found in the OWASP Access Control Cheat Sheet.