CVE-2021-24691: Quiz And Survey Master < 7.3.2 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-10-11 · updated 2026-06-17
Weakness: CWE-79

Description

The Quiz And Survey Master WordPress plugin before 7.3.2 does not escape the Quiz Url Slug setting before outputting it in some pages, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

ExpressTech Quiz And Survey Master: before 7.3.2 — fixed in 7.3.2

How to fix

Upgrade to a fixed version: ExpressTech Quiz And Survey Master 7.3.2. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/ecf6a082-b563-42c4-9d8c-3757aa6b696f
https://wpscan.com/vulnerability/ecf6a082-b563-42c4-9d8c-3757aa6b696f

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