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CVE-2023-0291

CRITICAL 9.1 CVSS 3.1
Published
June 9, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

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.

Affected WordPress components

  • Quiz and Survey Master (QSM) – Quiz Maker & Survey Maker Plugin · quiz-master-next
    Confirmed match Active
    Up to and including 8.0.8
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • expresstech Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker — Up to and including 8.0.8
  • expresstech quiz_and_survey_master — Up to and including 8.0.8

References

  • packetstormsecurity.com https://packetstormsecurity.com/files/171011/wpqsm808-xsrf.txt Not Applicable, VDB Entry
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2834471/quiz-master-next Patch
  • wordpress.org https://wordpress.org/plugins/quiz-master-next/ Product
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/68110321-db1a-4634-98cd-0afd3ec933b8?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record