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CVE-2026-52838

2.6 · LOW

Easy!Appointments is a self hosted appointment scheduler.

Published Jul 14, 2026CWE-79EPSS 0.24%

Overview

CVE-2026-52838 is a low-severity vulnerability. It was published on July 14, 2026 and has a CVSS 3.1 base score of 2.6 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Easy!Appointments is a self hosted appointment scheduler. Versions prior to 1.6.0 allow administrators to define a custom "booking disabled" message through the booking settings page. That value is stored in the `disable_booking_message` setting via a rich-text editor and later passed directly to the public `booking_message` view without escaping or sanitization. An authenticated administrator can store HTML or JavaScript in this field, enable disabled-booking mode, and trigger stored XSS in every unauthenticated visitor who opens the public booking page. Version 1.6.0 fixes the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/alextselegidis/easyappointments/commit/629a0415f54f75556c17f4f5d9c77fda1fdbdeaeGitHubgithub.com/alextselegidis/easyappointments/security/advisories/GHSA-996f-334j-67g7GitHubgithub.com/alextselegidis/easyappointments/security/advisories/GHSA-996f-334j-67g7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-52838?

CVE-2026-52838 is a low-severity vulnerability. It was published on July 14, 2026 and has a CVSS 3.1 base score of 2.6 (LOW).

How severe is CVE-2026-52838?

This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-52838?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-52838?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-52838 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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