What is CVE-2024-9872?

CVE-2024-9872 is a medium-severity vulnerability in Vcita Online Booking \& Scheduling Calendar, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-12-06.

How severe is CVE-2024-9872?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Vcita Online Booking \& Scheduling Calendar

CVE-2024-9872

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the vcita_save_user_data_callback() function in all versions up to, and including, 4.5.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject malicious web scripts and update settings.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-12-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (15.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.wordfence.com/threat-intel/vulnerabilities/id/963c2d10-692b-4447-8d0b-7ccc2… (Third Party Advisory)
plugins.trac.wordpress.org/changeset/3200129/meeting-scheduler-by-vcita/trunk/v… (Patch)

Frequently asked questions

What is CVE-2024-9872?: CVE-2024-9872 is a medium-severity vulnerability in Vcita Online Booking \& Scheduling Calendar, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-12-06.
How severe is CVE-2024-9872?: Medium severity. CVSS v3 base score is 5.4 out of 10.