CVE-2021-36865

mediumpriority · track · 17EPSS 0.005 · 44 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (44th) EPSS

CVSS 4.3 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Insecure direct object references (IDOR) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 at WordPress allows attackers to change the content of the quiz.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.8–4.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.13.8lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:Lsecondary · ENISA EU

v3.13.8lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:Lsecondary · audit@patchstack.comexploitability 1.2 · impact 2.5

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-639USprimary

affected products (2)

Products and version ranges known to be affected.

ExpressTech Quiz And Survey Master (WordPress plugin)≤ ≤ 7.3.4 ≤7.3.4enisa_euvdEU
quizandsurveymaster quiz and survey master≤ 7.3.4nvdUScpe:2.3:a:quizandsurveymaster:quiz_and_survey_master:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-09-30modified 2026-06-17

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+3337 more

references (7)

External citations — patches, advisories, analysis.

scry

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