CVE-2023-0291
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 2.03% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-862
- Affected
- expresstech/quiz and survey master
- Source
- security@wordfence.com
References
- https://packetstormsecurity.com/files/171011/wpqsm808-xsrf.txtNot Applicable, VDB Entry
- https://plugins.trac.wordpress.org/changeset/2834471/quiz-master-nextPatch
- https://wordpress.org/plugins/quiz-master-next/Product
- https://www.wordfence.com/threat-intel/vulnerabilities/id/68110321-db1a-4634-98cd-0afd3ec933b8?source=cveThird Party Advisory
- https://packetstormsecurity.com/files/171011/wpqsm808-xsrf.txtNot Applicable, VDB Entry
- https://plugins.trac.wordpress.org/changeset/2834471/quiz-master-nextPatch
- https://wordpress.org/plugins/quiz-master-next/Product
- https://www.wordfence.com/threat-intel/vulnerabilities/id/68110321-db1a-4634-98cd-0afd3ec933b8?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.