Auth bypass in Expresstech Quiz And Survey Master
CVE-2021-36906
Multiple Insecure Direct Object References (IDOR) vulnerabilities in ExpressTech Quiz And Survey Master plugin <= 7.3.6 on WordPress.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/plugins/quiz-master-next/ (Product, Third Party Advisory, Release Notes)
- patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-surve… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36906?
- CVE-2021-36906 is a low-severity vulnerability in Expresstech Quiz And Survey Master, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2022-11-03.
- How severe is CVE-2021-36906?
- Low severity. CVSS v3 base score is 2.7 out of 10.
- Is CVE-2021-36906 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.