CVE-2026-3955 elecV2P jsfile Endpoint wbjs.js runJSFile code injection

Medium 5.3 Published Updated

Remote attackers can execute arbitrary code via the jsfile endpoint in elecV2P due to improper input validation in runJSFile.

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

What is CVE-2026-3955?

CVE-2026-3955 is a medium-severity code injection vulnerability in elecV2P, published on 11 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security vulnerability has been detected in elecV2P up to 3.8.3. Affected by this issue is the function runJSFile of the file source-code/elecV2P-master/webser/wbjs.js of the component jsfile Endpoint. Such manipulation leads to code injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-94, CWE-74

Which versions are affected by CVE-2026-3955?

How do I fix CVE-2026-3955?

No fix has been published for CVE-2026-3955 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-3955 being exploited?

There is no known exploitation of CVE-2026-3955 in the wild and no public exploit code.

Sources

Also known as GHSA-f4fj-827f-m683.

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