WordPress security changelog
MEDIUM CVE-2024-7876 Analyzed

Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin: Cross-site scripting

Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 4.8 CVSS 3.1 · nvd@nist.gov
Component
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
Plugin slug
simply-schedule-appointments
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 05, 2024
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Nov 05, 2024 and is one of 31 known issues for this plugin.

Update, patch or deactivate.

Update Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Appointment Type settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

NVD vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary and upstream sources