TI-2021-06513 Aliases CVE-2021-24221 GHSA-mm94-4mf6-6w8g

Quiz And Survey Master < 7.1.12 - Authenticated SQL injection via shortcode

MEDIUM 42CWE-89Published 2021-04-12 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: SQL injection
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-89.

Summary

The Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress plugin before 7.1.12 did not sanitise the result_id GET parameter on pages with the [qsm_result] shortcode without id attribute, concatenating it in a SQL statement and leading to an SQL injection. The lowest role allowed to use this shortcode in post or pages being author, such user could gain unauthorised access to the DBMS. If the shortcode (without the id attribute) is embed on a public page or post, then unauthenticated users could exploit the injection.

Why it matters now

EPSS 0.01893 79th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress (Unknown): 7.1.12

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress	7.1.12 to before 7.1.12	7.1.12	Patch available	CNA

Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress VendorUnknown Affected 7.1.12 to before 7.1.12 Fixed in 7.1.12 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:expresstech:quiz_and_survey_master::::::wordpress::*	before 7.1.12	Vulnerable	ExpressTech

cpe:2.3:a:expresstech:quiz_and_survey_master:*:*:*:*:*:wordpress:*:* Versions before 7.1.12 Vulnerable ·ExpressTech

Remediation

Fix · CNA Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress (Unknown) Fixed in 7.1.12

Timeline

2026-10-02 Threatist record created from CVE-2021-24221
2026-10-03 Alias added: GHSA-mm94-4mf6-6w8g

References

Exploit 1

https://wpscan.com/vulnerability/3b52b25c-82a1-41c7-83ac-92e244f7c5ab

Patch 1

https://plugins.trac.wordpress.org/changeset/2479603/

TI-2020-18392 An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. CVSS 3.1CRITICAL 9.9
TI-2024-05207 Quiz And Survey Master < 9.0.2 - Contributor+ SQLi CVSS 3.1HIGH 8.8
TI-2024-05583 Quiz and Survey Master < 9.0.5 - Contributor+ Stored XSS CVSS 3.1MEDIUM 6.5
TI-2024-09897 Quiz and Survey Master (QSM) < 9.2.1 - Author+ Stored XSS CVSS 3.1MEDIUM 6.1
TI-2024-05932 Quiz and Survey Master (QSM) < 9.1.0 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.9
TI-2024-04590 Quiz And Survey Master < 9.0.2 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.5

See all 37 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences