Vulnerability · Published Sep 25, 2026 · Assigned by WPScan

CVE-2026-86837Bookly < 28.3 - Unauthenticated Customer PII Update via Verification Bypass

Medium 5.3

In plain English

A medium-severity authorization bypass via user-controlled key in Bookly from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 89.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Bookly	0 – before 28.3

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://wpscan.com/vulnerability/5bfed7cf-5bf3-4a3b-a2b6-9f9d48f52fd5/ exploit, vdb-entry, technical-description