Vulnerability · Published Aug 6, 2026 · Assigned by WPScan

CVE-2026-13153Essential Blocks < 6.4.0 - Unauthenticated WooCommerce Sales Data Disclosure via REST products Endpoint

High 7.5

In plain English

A high-severity information exposure in Gutenberg Essential Blocks from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.5%top 25.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Nuclei

Official description

The Gutenberg Essential Blocks WordPress plugin before 6.4.0 does not restrict access to one of its public REST routes and over-fetches a non-public WooCommerce per-product sales metric into the response, allowing unauthenticated users to read the lifetime number of units sold for any published product.

Affected products (as reported)

VendorProductVersions
Unknown Gutenberg Essential Blocks 0 – before 6.4.0

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References