What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-09 · updated 2026-06-17
• Weakness: CWE-862

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 products

• ExpressTech Quiz And Survey Master: through 8.0.8

References

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

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