Quiz And Survey Master <= 8.0.8 - Unauthenticated Arbitrary Media Deletion

Missing Authorization
CVE CVE-2023-0291
CVSS 7.2 (High)
Publicly Published February 15, 2023
Last Updated June 9, 2023
Researcher Julien Ahrens


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.



Vulnerability Details for Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker

Software Type Plugin
Software Slug quiz-master-next (view on wordpress.org)
Patched? Yes
Remediation Update to version 8.0.9, or a newer patched version
Affected Version
  • <= 8.0.8
Patched Version
  • 8.0.9

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