CVE-2026-6817 Quiz Maker by AYS <= 6.7.1.29 - Unauthenticated Stored Cross-Site Scripting via 'rate_reason'

Medium 5.8 Published Updated

Unauthenticated attackers can inject arbitrary scripts via the rate_reason parameter, leading to potential session hijacking or malicious actions on behalf of users.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-6817?

CVE-2026-6817 is a medium-severity cross-site scripting vulnerability in ays-pro Quiz Maker by AYS, published on 2 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Quiz Maker by AYS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'rate_reason' parameter in all versions up to, and including, 6.7.1.29 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2026-6817?

How do I fix CVE-2026-6817?

No fix has been published for CVE-2026-6817 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-6817 being exploited?

There is no known exploitation of CVE-2026-6817 in the wild and no public exploit code.

Sources

Also known as GHSA-2ff6-q4x2-f33x.

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