What is CVE-2026-87854?

CVE-2026-87854 is a medium-severity vulnerability in Subscriptions For Woocommerce, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-16.

How severe is CVE-2026-87854?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Subscriptions For Woocommerce

CVE-2026-87854

The Subscriptions for WooCommerce WordPress plugin before 2.0.3 does not correctly validate the shared secret protecting one of its REST endpoints, allowing unauthenticated users to retrieve the store's full list of subscriptions, including customer usernames, product names, recurring amounts and payment dates.

Vulnerability class: Information Disclosure

Published 2026-09-16 · last modified 2026-09-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (28.0th percentile), scored 2026-10-31.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Subscriptions For Woocommerce

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

wpscan.com/vulnerability/a47ee557-3036-485a-91ad-af7b84209294/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-87854?: CVE-2026-87854 is a medium-severity vulnerability in Subscriptions For Woocommerce, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-16.
How severe is CVE-2026-87854?: Medium severity. CVSS v3 base score is 5.3 out of 10.