CVE-2026-86238 projectworlds Online Examination System Feedback Form feedback.php cross site scripting

Medium 5.3 Published Updated

Remote attackers can inject malicious scripts via the feedback form, potentially compromising user sessions or executing code.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-86238?

CVE-2026-86238 is a medium-severity cross-site scripting vulnerability in projectworlds Online Examination System, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability was determined in projectworlds Online Examination System 1.0. The affected element is an unknown function of the file feedback.php of the component Feedback Form. Executing a manipulation of the argument Name/Subject can lead to cross site scripting. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-86238?

How do I fix CVE-2026-86238?

No fix has been published for CVE-2026-86238 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-2026-86238 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86238 exists.

Sources

Also known as GHSA-5pgg-ww8w-23gr.

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