vulnerability
WordPress Plugin: simply-schedule-appointments: CVE-2024-4288: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:S/C:P/I:P/A:N) | May 15, 2024 | May 15, 2025 | Apr 30, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published
May 15, 2024
Added
May 15, 2025
Modified
Apr 30, 2026
Description
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘link’ parameter in versions up to, and including, 1.6.7.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Solution
simply-schedule-appointments-plugin-cve-2024-4288
References
Rapid7 Labs
2026 Global Threat Landscape Report
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