CVE-2023-0429: Watu Quiz < 3.3.8.3 - Admin+ Stored XSS

Severity: medium (CVSS 4.8 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: 2023-02-21 · updated 2026-06-17

Description

The Watu Quiz WordPress plugin before 3.3.8.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Affected products

Bob Watu Quiz: before 3.3.8.2 — fixed in 3.3.8.2

How to fix

Upgrade to a fixed version: Bob Watu Quiz 3.3.8.2. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/67d84549-d368-4504-9fa9-b1fce63cb967
https://wpscan.com/vulnerability/67d84549-d368-4504-9fa9-b1fce63cb967

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