Vibemes VibeBP Plugin up to 1.9.9.8.1 on WordPress Email Notification Settings set_email_notification_settings wp_capabilities privileges management

Summaryinfo

A vulnerability was found in Vibemes VibeBP Plugin up to 1.9.9.8.1. It has been rated as critical. This affects the function set_email_notification_settings of the component Email Notification Settings. Performing a manipulation of the argument wp_capabilities results in privileges management. This vulnerability is reported as CVE-2026-16135. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Vibemes VibeBP Plugin up to 1.9.9.8.1. It has been classified as critical. This affects the function set_email_notification_settings of the component Email Notification Settings. The manipulation of the argument wp_capabilities with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The VibeBP plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.9.9.8.1. This is due to the plugin allowing arbitrary user meta updates through the set_email_notification_settings() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to grant themselves administrator privileges by updating their own 'wp_capabilities' user meta value.

The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2026-16135 since 07/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/12/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• Vibemes

Name

• VibeBP Plugin

Version

• 1.9.9.8.0
• 1.9.9.8.1

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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