CVE-2026-86837

Bookly < 28.3 - Unauthenticated Customer PII Update via Verification Bypass

Published Sep 25, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-639
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Bookly
Bookly bookly
Wordpress
Wordpress wordpress
Vendors & Products Bookly
Bookly bookly
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Description 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.
Title Bookly < 28.3 - Unauthenticated Customer PII Update via Verification Bypass
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 25, 2026, 12:40 PM
Reserved
Sep 8, 2026, 2:41 PM
Status
Deferred
Published
Sep 25, 2026, 9:17 AM
Modified
Sep 25, 2026, 1:25 PM