CVE-2025-9637
CVE-2025-9637 is a medium-severity vulnerability in Expresstech Quiz And Survey Master with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-1062
- Weakness: CWE-862
- Affected product: Expresstech Quiz And Survey Master
- Published:
- Last modified:
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 This makes it possible for unauthenticated attackers to view the details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload.
Frequently asked questions
- What is CVE-2025-9637?
- 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 This makes it possible for unauthenticated attackers to view the details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload.
- How severe is CVE-2025-9637?
- CVE-2025-9637 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2025-9637 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-9637?
- CVE-2025-9637 affects Expresstech Quiz And Survey Master. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-9637?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-9637 have an EU (EUVD) identifier?
- Yes. CVE-2025-9637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1062.
- When was CVE-2025-9637 published?
- CVE-2025-9637 was published on 2026-01-06 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L1987
- https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L281
- https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/rest-api.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/88a9abf4-62a9-4695-87e7-18ff0b0075e9?source=cve
Affected products (1)
- cpe:2.3:a:expresstech:quiz_and_survey_master:*:*:*:*:*:wordpress:*:*
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