CVE-2023-2416 json
Online Booking & Scheduling Calendar for WordPress by vcita <= 4.5 - Cross-Site Request Forgery to Account Logout
published 2023-06-03 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33906
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 22 mo ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/meeting-scheduler-by-vcita/trunk/vcita-ajax-function.php#L55 referenced PoC, tagged "exploit" by a source, unverified
- blog.jonh.eu https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Affected products
- vcita Online Booking & Scheduling Calendar for WordPress by vcita
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
- Technology feeds
References
-
plugins.trac.wordpress.org
/browser/meeting-scheduler-by-vcita/trunk/vcita-ajax-function.php#L55
exploit
-
blog.jonh.eu
/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita
exploit, third-party-advisory
-
wordfence.com
/threat-intel/vulnerabilities/id/f434585c-8533-4788-b0bc-5650390c29a8?source=cve
third-party-advisory
- plugins.trac.wordpress.org /changeset/3200129/meeting-scheduler-by-vcita/trunk/vcita-ajax-function.php?old=3191356&old_path=meeting-sched
Sources
- CVE List CVE-2023-2416
- NVD CVE-2023-2416
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.