---
id: CVE-2026-86837
title: >-
  The Bookly WordPress plugin before 28.3 does not properly verify a customer's
  identity before updating their stored details, allowing unauthenticated
  attackers who know a customer's primary identifier to overwrite that
  customer's stored …
summary: >-
  The Bookly WordPress plugin before 28.3 does not properly verify a customer's
  identity before updating their stored details, allowing unauthenticated
  attackers who know a customer's primary identifier to overwrite that
  customer's stored …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-639
product: Bookly
affected:
  - Bookly < 28.3
published: '2026-09-25'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T13:25:16.167'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86837'
references:
  - url: 'https://wpscan.com/vulnerability/5bfed7cf-5bf3-4a3b-a2b6-9f9d48f52fd5/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-25T12:36:46.347486Z'
ingestedAt: '2026-09-25T09:05:19.676Z'
epss: 0.00182
epssPercentile: 0.06888
---

## Overview

The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.