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Event Booking Manager EUVDEUVD-2026-81351

| CVE-2026-91008 LOW
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-09-17 WPScan GHSA-vc5f-85m8-x67v
3.7
CVSS 3.1 · Vendor: WPScan

Severity by source

Vendor (WPScan) PRIMARY
3.7 LOW
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
3.7 LOW

Unauthenticated network access (PR:N/AV:N) but AC:H because it requires the non-default native checkout config plus enumerating booking references; confidentiality-only (C:L, I:N/A:N).

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

7
Metadata Corrected
Sep 17, 2026 - 14:40 vuln.today
tag: PHP added
Metadata Corrected
Sep 17, 2026 - 14:40 vuln.today
tag: Authentication Bypass replaced by Information Disclosure
Analysis Generated
Sep 17, 2026 - 13:42 vuln.today
CVSS changed
Sep 17, 2026 - 13:22 NVD
3.7 (LOW)
Patch available
Sep 17, 2026 - 07:00 EUVD
CVE Published
Sep 17, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 17, 2026 - 06:00 cve.org
LOW 3.7

DescriptionCVE.org

The Event Booking Manager for WooCommerce WordPress plugin before 5.3.8 does not perform an ownership or authorization check before rendering booking confirmation details, allowing unauthenticated attackers to retrieve registered attendees' personal information (full name, email address, phone number, and custom registration fields) by supplying an enumerable booking reference. Exploitation is limited to sites configured to use the Event Booking Manager for WooCommerce WordPress plugin before 5.3.8's native (non-WooCommerce) checkout, which is not the default.

AnalysisAI

Unauthenticated attackers can retrieve registered attendees' personal information-including full names, email addresses, phone numbers, and custom registration fields-from WordPress sites running Event Booking Manager for WooCommerce versions 5.3.6 through before 5.3.8, but only if the site has enabled the plugin's non-default native (non-WooCommerce) checkout flow. The vulnerability is a broken access control/IDOR issue (CWE-639) where booking confirmation details are rendered without an ownership check, allowing enumeration of booking references to disclose data. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires the target site to have enabled the plugin's native (non-WooCommerce) checkout flow - the description explicitly states this is NOT the default configuration, which is the primary limiting factor and the basis for AC:H. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a low-severity, confidentiality-only broken-access-control / IDOR issue (CWE-639) that the vendor CVSS of 3.7 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) captures reasonably well. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patch: update to version 5.3.8 or later. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-81351 vulnerability details – vuln.today

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