CVE-2025-11435 JhumanJ OpnForm submissions cross site scripting

Medium 5.3 Published 8 Oct 2025 Updated 8 Oct 2025

Remote attackers can inject malicious scripts into OpnForm submissions, potentially executing code or hijacking user accounts.

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-2025-11435?

CVE-2025-11435 is a medium-severity cross-site scripting vulnerability in JhumanJ OpnForm, published on 8 Oct 2025. 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 security vulnerability has been detected in JhumanJ OpnForm up to 1.9.3. Affected by this vulnerability is an unknown functionality of the file /show/submissions. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is a2af1184e53953afa8cb052f4055f288adcaa608. To fix this issue, it is recommended to deploy a patch.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-11435?

It affects 1 product.

Products include Jhumanj Opnform.

How do I fix CVE-2025-11435?

No fix has been published for CVE-2025-11435 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-2025-11435 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11435 exists.

Sources

Also known as GHSA-gvxf-jfjm-228q.