CVE-2021-36863
WordPress Quiz And Survey Master plugin <= 7.3.4 - Auth. Stored Cross-Site Scripting (XSS) vulnerability
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 on WordPress.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WordPress Quiz And Survey Master plugin <= 7.3.4 - Auth. Stored Cross-Site Scripting (XSS) vulnerability
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 on WordPress.
- Record
CVE-2021-36863- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-23439
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 on WordPress.
- Record
EUVD-2021-23439- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w235-7jcc-8vf7
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And...
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 on WordPress.
- Record
GHSA-w235-7jcc-8vf7- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 on WordPress.
- Record
CVE-2021-36863- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36863 is a medium vulnerability (CVSS 5.4) in Expresstech Quiz And Survey Master, published October 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.