High severity8.8NVD Advisory· Published Apr 12, 2021· Updated Jun 17, 2026
CVE-2021-24221
CVE-2021-24221
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- WordPress/Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPressdescription
- Range: <7.1.12
Patches
Vulnerability mechanics
References
2- plugins.trac.wordpress.org/changeset/2479603/nvdPatchThird Party Advisory
- wpscan.com/vulnerability/3b52b25c-82a1-41c7-83ac-92e244f7c5abnvdExploitThird Party Advisory
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