---
id: "CVE-2026-100158"
kind: "vulnerability"
aliases: ["CVE-2026-100158"]
title: "WordPress SQL Chart Builder plugin: stored XSS via chart column values"
severity: "medium"
cvss: 6.4
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "self-hosted", "wordpress", "wordpress-plugin"]
not_affected_if: ["no-user-controlled-chart-columns", "plugin-not-installed"]
published_at: "2026-10-16T06:17:01+00:00"
first_seen_at: "2026-10-23T21:57:12+00:00"
updated_at: "2026-10-25T03:59:54+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100158", "first_seen_at": "2026-10-23T21:57:12+00:00"}]
---

# WordPress SQL Chart Builder plugin: stored XSS via chart column values

The SQL Chart Builder WordPress plugin up to and including 3.0.6 does not sanitize or escape an X-axis column value rendered from a database query. A subscriber who sets a malicious display name can get script to run in the browser of any user who views a page containing the published chart.

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

## How to check

- Check the installed version of the SQL Chart Builder plugin in the WordPress admin plugins list; versions up to and including `3.0.6` are affected.
- Review published charts whose SQL query selects user columns such as `wp_users.display_name`.

## Fix

- Update the SQL Chart Builder plugin to a version newer than `3.0.6`; the fixed version is unknown from the sources.
- Until patched, remove or restrict charts that select user-controlled columns.

## Timeline

- 2026-10-23T21:57:12+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-100158

## From the sources

The SQL Chart Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'X-axis column value ($value->$xarg_s from $wpdb->get_results())' parameter in all versions up to, and including, 3.0.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires an administrator to have published a chart whose SQL query returns a column controllable by a lower-privileged user, such as wp_users.display_name, which a Subscriber can populate with a payload via the standard WordPress profile page at /wp-admin/profile.php.

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