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.

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)

EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.

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.

Affected products

Expresstech Quiz_and_survey_master
Expresstech Quiz And Survey Master (Wordpress Plugin) — versions <= 7.3.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

audit@patchstack.com (Product, Third Party Advisory)
audit@patchstack.com (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.