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

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.

Scores

EPSS (exploitation in 30 days)

0.26% · top 83% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.

Weakness

• CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (opens in a new tab)All about CWE-79 and its CVEs

Affected products

• vcita · Online Booking & Scheduling Calendar for WordPress by vcita

  • affected ≤ 4.5.1

References (2)

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

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-9872](https://trackcve.app/badge/CVE-2024-9872.svg)](https://trackcve.app/cve/CVE-2024-9872)

Record last updated 8 Apr 2026, 17:10 UTC.