Securing Easy Appointments and earning CVE-2022-0482

Easy Appointments contained a very dangerous Broken Access Control vulnerability tracked as CVE-2022-0482 that was exposing PII.

Another day, another threat to your data. The recently discovered CVE-2022-0482 is a Broken Access Control vulnerability affecting Easy Appointments, a popular open-source web app written in PHP, used by thousands of sites to manage their online bookings.

The vulnerability allows unauthenticated actors, to access private users’ data stored in the target system, due to a pitfall in the API permissions check.

The vulnerability was discovered and responsibly reported by Francesco Carlucci on 30th Jan 2022, and fixed by Easy Appointments development team on 8 March 2022.Easy Appointments is now secured, so the best way to be protected is to update the software to the last stable version. Alternatively, a patch file is available for download as well – https://github.com/alextselegidis/easyappointments/blob/master/patch.php – and deploys a fix valid for any previous version.

Yet another time, a new security threat reminds us how important is to keep all the software updated and to monitor the security releases for 3rd party libraries we rely on.

You can read the full write up and the technical details for this vulnerability on: https://opencirt.com/hacking/securing-easy-appointments-cve-2022-0482/

About the author: Francesco Carlucci (f.carlucci@opencirt.com opencirt.com)
Cybersecurity researcher and Founder OpenCIRT OÜ

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Pierluigi Paganini

(SecurityAffairs – hacking, Easy Appointments)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.