Medium severity · published Jan 6, 2026
CVE-2025-9637
Quiz and Survey Master (QSM) <= 10.3.1 - Missing Authorization to Unpublished, Private And Password-Protected Quiz Information Disclosure And Image Response Uploads
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability and status checks on multiple functions in all versions up to, and including, 10.3.1. This makes it possible for unauthenticated attackers to view the details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QA
Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker · expresstech
through 10.3.1 · source: vendor
QA
Quiz And Survey Master · Expresstech
before 10.3.2 · source: NVD
Affected product
QA
Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker
expresstech
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9637
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9637
Product
https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L1987
Product
https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L281
Product
https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/rest-api.php
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/88a9abf4-62a9-4695-87e7-18ff0b0075e9?source=cve
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