TI-2024-05433 Aliases CVE-2024-5859 GHSA-hvqv-gh9w-cp67

Appointment Booking and Online Scheduling <= 4.4.2 - Reflected Cross-Site Scripting

LOW 27CWE-79Published 2024-06-21 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘d’ parameter in all versions up to, and including, 4.4.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00307 23rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
vcita	Online Booking & Scheduling Calendar for WordPress by vcita	up to 4.4.2	—	No fix listed	CNA

Online Booking & Scheduling Calendar for WordPress by vcita Vendorvcita Affected up to 4.4.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:vcita:online_booking_\&_scheduling_calendar::::::wordpress::*	before 4.2.3	Vulnerable	vcita

cpe:2.3:a:vcita:online_booking_\&_scheduling_calendar:*:*:*:*:*:wordpress:*:* Versions before 4.2.3 Vulnerable ·vcita

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-5859
2026-10-03 Alias added: GHSA-hvqv-gh9w-cp67

References

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/a8ea0559-dec7-4c20-956d-dbfe7bc67634?source=cve

Other 1

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3104980%40meeting-scheduler-by-vcita&new=3104980%40meeting-scheduler-by-vcita&sfp_email=&sfph_mail=

TI-2025-34440 Unrestricted file upload in vcita Online Booking & Scheduling Calendar for WordPress by… CVSS 3.1CRITICAL 9.1
TI-2023-02155 Online Booking & Scheduling Calendar for WordPress by vcita <= 4.3.0 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2
TI-2025-41231 Cross-site request forgery in vcita Online Booking & Scheduling Calendar for WordPress by… CVSS 3.1HIGH 8.8
TI-2024-31917 Cross-site scripting in vcita Online Booking & Scheduling Calendar for WordPress by vcita CVSS 3.1HIGH 7.1
TI-2024-24777 WordPress Online Booking & Scheduling Calendar plugin <= 4.4.2 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
TI-2024-05370 Cross-site scripting in vcita Online Booking & Scheduling Calendar for WordPress by vcita CVSS 3.1HIGH 7.2

See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences