CVE-2023-2416
The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Cross-Site Request Forgery due to a missing nonce check on the vcita_logout_callback function in versions up to, and including, 4.5.
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
Description
The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Cross-Site Request Forgery due to a missing nonce check on the vcita_logout_callback function in versions up to, and including, 4.5. This makes it possible for unauthenticated to logout a vctia connected account which would cause a denial of service on the appointment scheduler, via a forged request granted they can trick a site user into performing an action such as clicking on a link.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.39% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- vcita/online booking \& scheduling calendar
- Source
- security@wordfence.com
References
- https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcitaExploit, Third Party Advisory
- https://plugins.trac.wordpress.org/browser/meeting-scheduler-by-vcita/trunk/vcita-ajax-function.php#L55Exploit
- https://plugins.trac.wordpress.org/changeset/3200129/meeting-scheduler-by-vcita/trunk/vcita-ajax-function.php?old=3191356&old_path=meeting-scheduler-by-vcita%2Ftrunk%2Fvcita-ajax-function.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f434585c-8533-4788-b0bc-5650390c29a8?source=cveThird Party Advisory
- https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcitaExploit, Third Party Advisory
- https://plugins.trac.wordpress.org/browser/meeting-scheduler-by-vcita/trunk/vcita-ajax-function.php#L55Exploit
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f434585c-8533-4788-b0bc-5650390c29a8?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.