What’s Vulnerable › Vulnerabilities

CVE-2024-9872: Online Booking & Scheduling Calendar for WordPress by vcita <= 4.5.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-06 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• vcita Online Booking & Scheduling Calendar for WordPress by vcita: before 4.5.2 — fixed in 4.5.2

How to fix

Upgrade to a fixed version: vcita Online Booking & Scheduling Calendar for WordPress by vcita 4.5.2. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/changeset/3200129/meeting-scheduler-by-vcita/trunk/vcita-ajax-function.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/963c2d10-692b-4447-8d0b-7ccc2e533f01?source=cve

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