WordPress security changelog
HIGH CVE-2021-24221 Modified

Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for: SQL injection

Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for is affected by SQL injection. The vulnerable path is reachable without authentication. A successful request can alter database queries and expose or modify WordPress data.

CVE / CNA score 8.8 CVSS · contact@wpscan.com
NVD score 8.8 CVSS 3.1 · nvd@nist.gov
Component
Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for
Plugin slug
quiz-and-survey-master
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Apr 12, 2021
Weakness
CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

This CVE was published Apr 12, 2021 and is one of 17 known issues for this plugin.

Update, patch or deactivate.

Update Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources