CVE-2026-13153

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

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

Gutenberg Essential Blocks

CVSS v3.1 CNA

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

EPSS

1.52% chance of exploitation in the next 30 days, 74th percentile

Nuclei

medium · CWE-200

Published

2026-08-06

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/0401a229-9630-49ab-ae4b-53360cf5d109/

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-13153.yaml

References

• CVE Record
• NVD entry