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CVE-2023-2299: Online Booking & Scheduling Calendar for WordPress by vcita <= 4.4.2 - Missing Authorization on REST-API

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-03 · updated 2026-06-17
• Weakness: CWE-862

Description

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to unauthorized medication of data via the /wp-json/vcita-wordpress/v1/actions/auth REST-API endpoint in versions up to, and including, 4.4.2 due to a missing capability check on the processAction function. This makes it possible for unauthenticated attackers modify the plugin's settings.

Affected products

• vcita Online Booking & Scheduling Calendar for WordPress by vcita: through 4.2.10

References

• https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita
• https://plugins.trac.wordpress.org/browser/meeting-scheduler-by-vcita/trunk/vcita-api-functions.php
• https://plugins.trac.wordpress.org/changeset/3104980/meeting-scheduler-by-vcita/trunk/vcita-api-functions.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/4855627a-de56-49ee-b0b0-01b9735d8557?source=cve
• https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita
• https://plugins.trac.wordpress.org/browser/meeting-scheduler-by-vcita/trunk/vcita-api-functions.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/4855627a-de56-49ee-b0b0-01b9735d8557?source=cve

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