XSS in Expresstech Quiz And Survey Master
CVE-2021-36863
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 on WordPress.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.9% 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: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/plugins/quiz-master-next/ (Product, Third Party Advisory)
- patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-surve… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36863?
- CVE-2021-36863 is a medium-severity vulnerability in Expresstech Quiz And Survey Master, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-10-28.
- How severe is CVE-2021-36863?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-36863 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.