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CVE-2024-5859

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

MEDIUM
6.1
CVSS Score
Published: June 21, 2024 at 08:39 AM UTC
Updated: June 17, 2026 at 08:16 AM UTC
2 products affected across 1 vendorOnline Booking & Scheduling CalendarOnline Booking & Scheduling Calendar for WordPress by vcita

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Online Booking & Scheduling Calendar· Vcitawordpress-plugin
95%
v < 4.2.3
Affected range stops below 4.2.3, so it looks safe — our inference, not a vendor statement
Online Booking & Scheduling Calendar for WordPress by vcita· Vcitawordpress-plugin
60%
v ≤ 4.4.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Product
Source: [email protected]
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=
Third Party Advisory
Source: [email protected]
https://www.wordfence.com/threat-intel/vulnerabilities/id/a8ea0559-dec7-4c20-956d-dbfe7bc67634?source=cve

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMWordfence
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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