CVE-2026-42667 HIGH

CVE-2026-42667: WordPress Bookly plugin <= 27.4 - Sensitive Data Exposure vulnerability

Vendor Bookly

Product Bookly

Weakness CWE-201

Published June 15, 2026

Last update June 16, 2026

View on NVD All CVEs

CVSS base score

7.5/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

Unauthenticated Sensitive Data Exposure in Bookly <= 27.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Bookly versions up to 27.4 expose sensitive information to unauthenticated attackers over the network. An attacker can read confidential data without needing to log in or interact with a user. The vulnerability stems from insufficient access controls on information disclosure. Update to a version newer than 27.4 to remediate.

What an attacker can do

03Attacker Capabilities

Read sensitive information from the site without logging in.

Potential impact on your site

04Site Impact

Confidential booking, customer, or business data may be exposed to the public internet.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

June 16, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-42667 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/201.html AskarLabs — CWE-201 write-up Insertion of Sensitive Information Into Sent Data

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