What’s Vulnerable › Vulnerabilities

CVE-2023-3575: Quiz And Survey Master < 8.1.11 - Contributor+ Stored XSS

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-07 · updated 2026-06-17

Description

The Quiz And Survey Master WordPress plugin before 8.1.11 does not properly sanitize and escape question titles, which could allow users with the Contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

• ExpressTech Quiz And Survey Master: before 8.1.11 — fixed in 8.1.11

How to fix

Upgrade to a fixed version: ExpressTech Quiz And Survey Master 8.1.11. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/6f884688-2c0d-4844-bd31-ef7085edf112
• https://www.onvio.nl/nieuws/research-day-discovering-vulnerabilities-in-wordpress-plugins
• https://wpscan.com/vulnerability/6f884688-2c0d-4844-bd31-ef7085edf112
• https://www.onvio.nl/nieuws/research-day-discovering-vulnerabilities-in-wordpress-plugins

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