CVE-2017-20055 BestWebSoft Contact Form Plugin Stored cross site scriting

Low 3.5 Published 16 Jun 2022 Updated 15 Apr 2025

Attackers can inject malicious scripts into the BestWebSoft Contact Form Plugin, potentially stealing user data or hijacking sessions.

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

What is CVE-2017-20055?

CVE-2017-20055 is a low-severity cross-site scripting vulnerability in BestWebSoft Contact Form Plugin, published on 16 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability classified as problematic has been found in BestWebSoft Contact Form Plugin 4.0.0. This affects an unknown part. The manipulation leads to basic cross site scripting (Stored). It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 4.0.2 is able to address this issue. It is recommended to upgrade the affected component.

Weakness: CWE-79, CWE-80

Which versions are affected by CVE-2017-20055?

It affects 1 product.

Products include Bestwebsoft Contact Form.

How do I fix CVE-2017-20055?

No fix has been published for CVE-2017-20055 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-2017-20055 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20055 exists.

Sources

Also known as GHSA-4g9g-f7m3-gwjm.