---
id: CVE-2026-72576
title: >-
  A stored cross-site scripting (XSS) vulnerability in Bludit 4.0.0-beta allows
  a low-privileged authenticated user (Author role) to inject arbitrary
  JavaScript by uploading a crafted SVG file as the site logo
summary: >-
  A stored cross-site scripting (XSS) vulnerability in Bludit 4.0.0-beta allows
  a low-privileged authenticated user (Author role) to inject arbitrary
  JavaScript by uploading a crafted SVG file as the site logo. A stored script
  tag in the S…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-08-10'
updated: '2026-08-28'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-72576'
references:
  - url: 'https://github.com/bludit/bludit'
    label: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
  - url: 'https://github.com/bludit/bludit/blob/dev/bl-kernel/ajax/logo-upload.php'
    label: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
  - url: 'https://www.bludit.com'
    label: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
tags:
  - nvd
epss: 0.00289
epssPercentile: 0.19041
ingestedAt: '2026-08-29T16:39:14.880Z'
---

## Overview

A stored cross-site scripting (XSS) vulnerability in Bludit 4.0.0-beta allows a low-privileged authenticated user (Author role) to inject arbitrary JavaScript by uploading a crafted SVG file as the site logo. A stored script tag in the SVG executes in the browser of any user who loads the logo.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.