CVE-2026-91008Wordfence

Vulnerability Summary

The Event Booking Manager for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.3.7. This is due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Severity Level

MEDIUM(5.3)

Published Date

Sep 17, 2026

Last Modified

Sep 22, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.17%Probability

Root Weakness (CWE)

CWE-639: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 5.3 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityNone

IntegrityLow

AvailabilityNone

Affected & Patched Versions

Affected Versions

Event Booking Manager for WooCommerce – Sell Tickets, Event Registration, RSVP & Event Calendar * - 5.3.7

Patched Versions

Event Booking Manager for WooCommerce – Sell Tickets, Event Registration, RSVP & Event Calendar 1

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