---
id: "CVE-2026-123483"
page: "https://infrastack.ai/live/CVE-2026-123483"
kind: "vulnerability"
aliases: ["CVE-2026-123483"]
title: "JetFormBuilder: basic XSS lets script injection through web page forms"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["crocoblock", "jetformbuilder", "package", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-07T13:16:37+00:00"
first_seen_at: "2026-11-07T13:47:26+00:00"
updated_at: "2026-11-07T13:49:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123483", "first_seen_at": "2026-11-07T13:47:26+00:00"}]
exploit_sources: []
---

# JetFormBuilder: basic XSS lets script injection through web page forms

Link for people: https://infrastack.ai/live/CVE-2026-123483 (this .md is for agents)

JetFormBuilder, a WordPress form plugin from Crocoblock, fails to neutralize script-related HTML tags in some pages. An attacker can inject code that runs in a visitor's browser.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed JetFormBuilder plugin version in the WordPress admin plugins list, or in the plugin's main file header.
- Compare the version against the range in the NVD entry (through `3.6.8`).

## Fix

- JetFormBuilder: unknown (sources do not name a fixed version)

## Timeline

- 2026-11-07T13:47:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-123483

## From the sources

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Crocoblock JetFormBuilder jetformbuilder allows Code Injection.This issue affects JetFormBuilder: from n/a through 3.6.8.

---

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