The Quiz and Survey Master plugin for WordPress is vulnerable to arbitrary file uploads due to missing filename sanitization in the qsm_upload_image_fd_question() function in versions up to, and including, 7.0.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server using a double extension attack method which may make remote code execution possible on sites with a configuration that parse the first extension of a file. This is due to an incomplete fix of CVE-2020-35949.
This vulnerability is a critical severity with CVSS 9.8 Remote Code Execution issue affecting the Plugin Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker. It affects Versions up to 7.0.1 and is fixed in 7.0.2.
the tracked vulnerability is tracked for the Plugin Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker as critical severity with CVSS 9.8. The affected range is Versions up to 7.0.1. Update Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker to 7.0.2 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
quiz-master-next
View on wordpress.org
|
| CVE | No linked CVE entry. |
| Patched Versions |
7.0.2
|
| Affected Versions |
Versions up to 7.0.1
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress <= 9.0.1 - Authenticated (Contributor+) SQL Injection
Quiz and Survey Master <= 8.1.4 - Unauthenticated SQL Injection
Quiz and Survey Master <= 7.0.0 - Arbitrary File Upload
Quiz And Survey Master <= 7.3.6 - Cross-Site Request Forgery
Quiz And Survey Master <= 7.1.11 - Authenticated SQL injection via shortcode
Quiz And Survey Master <= 4.7.8 - Cross-Site Request Forgery to Stored Cross-Site Scripting
Quiz and Survey Master <= 7.0.0 - Unauthenticated Arbitrary File Deletion
Quiz And Survey Master <= 10.2.5 - Unauthenticated PHP Object Injection
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