CVE-2026-91025
Received Received - Intake

Privilege Escalation in Booking Manager WordPress Plugin

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: WPScan

Description
The Booking Manager WordPress plugin before 2.1.21 does not verify that a request to modify a user's Booking Manager WordPress plugin before 2.1.21-specific settings targets the requesting user's own account, allowing any authenticated user with subscriber-level access and above to create or overwrite the Booking Manager WordPress plugin before 2.1.21's per-user settings on arbitrary users, including administrators.

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-23
AI Q&A
2026-09-23
EPSS Evaluated
N/A
NVD
CVE-2026-91025
EUVD
EUVD-2026-85057

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
wp_booking_manager booking_manager to 2.1.21 (exc)
booking_manager booking_manager to 2.1.21 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is an Insecure Direct Object Reference (IDOR) in the Booking Manager WordPress plugin before version 2.1.21. It allows any authenticated user with subscriber-level access or higher to modify plugin-specific settings for any user account, including administrators, without proper authorization.

Detection Guidance

To detect this vulnerability, check the installed version of the Booking Manager WordPress plugin. If the version is below 2.1.21, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files for version details.

Impact Analysis

An attacker could exploit this to overwrite settings on your account or other users' accounts, potentially gaining unauthorized access or control. This includes modifying settings on administrator accounts, which could lead to further compromise of the WordPress site.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of user data, which may violate compliance requirements under GDPR (data protection) or HIPAA (health information privacy). Unauthorized changes to user settings could result in data breaches or loss of data integrity.

Mitigation Strategies

Immediately update the Booking Manager plugin to version 2.1.21 or later. If updating is not possible, consider disabling the plugin temporarily until an update can be applied. Review user accounts for unauthorized changes to plugin settings.

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