Online Booking & Scheduling Calendar for WordPress by vcita: A security weakness

Online Booking & Scheduling Calendar for WordPress by vcita is affected by a security weakness. Exploitation requires an authenticated WordPress account. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 5.4 CVSS 3.1 · security@wordfence.com

NVD score 5.4 CVSS 3.1 · nvd@nist.gov

Component: Online Booking & Scheduling Calendar for WordPress by vcita
Plugin slug: meeting-scheduler-by-vcita
Affected: See vendor advisory
Safe version: See mitigation notes
Published: Jun 03, 2023
Weakness: CWE-862 — Missing Authorization

This CVE was published Jun 03, 2023 and is one of 10 known issues for this plugin.

What to do

Update, patch or deactivate.

Update Online Booking & Scheduling Calendar for WordPress by vcita to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical 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_logout_callback function in versions up to, and including, 4.2.10. This makes it possible for authenticated attackers with minimal permissions, such as a subscriber, to logout a vctia connected account which would cause a denial of service on the appointment scheduler.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References

Update, patch or deactivate.

Technical description

Primary and upstream sources