CVE-2026-14334

Booking calendar, Appointment Booking System <= 3.2.36 - Unauthenticated Stored XSS via SVG File Upload

HIGH
8.8
CVSS Score
Published: August 19, 2026 at 06:00 AM UTC
Updated: October 22, 2026 at 04:09 PM UTC
1 product affected across 1 vendorBooking Calendar

Using Booking calendar, Appointment Booking System by Unknown?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

The Booking calendar, Appointment Booking System WordPress plugin through 3.2.36 does not properly sanitize uploaded SVG files, allowing unauthenticated attackers to upload a file that bypasses the Booking calendar, Appointment Booking System WordPress plugin through 3.2.36's script-stripping and executes arbitrary JavaScript when the SVG is opened, including in the session of an administrator who reviews the submitted booking.

Affected

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

3.2.18 ≤ v ≤ 3.2.363.2.18

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 (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/9ddd1628-0b06-461b-8a5f-ba977f83fa7f/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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