---
title: "[20190901] - Core - XSS in logo parameter of default templates"
description: "We help designers, developers, hobbyists and business owners get the most out of the Joomla CMS.  Join us at our free monthly meetups, and let us help you with your Joomla projects."
url: "https://www.joomlalondon.co.uk/official-joomla-announcements/20190901-core-xss-in-logo-parameter-of-default-templates"
date: "2026-09-09T18:07:10+00:00"
language: "en-GB"
---

#  \[20190901\] - Core - XSS in logo parameter of default templates

- **Project:** Joomla!
- **SubProject:** CMS
- **Impact:** Moderate
- **Severity:** Low
- **Versions:** 3.0.0-3.9.11
- **Exploit type:** XSS
- **Reported Date:** 2019-August-28
- **Fixed Date:** 2019-September-24
- **CVE Number:** [CVE-2019-16725](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16725)

### Description

Inadequate escaping allowed XSS attacks using the logo parameter of the default templates.

### Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.11

### Solution

Upgrade to version 3.9.12

### Contact

The JSST at the [Joomla! Security Centre](https://developer.joomla.org/security-centre.html "Contact the JSST").

**Reported By:** Aswin M GupthaRead more  [http://feeds.joomla.org/~r/JoomlaSecurityNews/~3/PO-TPPu7rQ0/791-20190901-core-xss-in-logo-parameter-of-default-templates.html](http://feeds.joomla.org/~r/JoomlaSecurityNews/~3/PO-TPPu7rQ0/791-20190901-core-xss-in-logo-parameter-of-default-templates.html "[20190901] - Core - XSS in logo parameter of defau")

## Schema

```json
{ "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Start", "item": "https://www.joomlalondon.co.uk" }, { "@type": "ListItem", "position": 2, "name": "Official Joomla! Announcements", "item": "https://www.joomlalondon.co.uk/official-joomla-announcements" }, { "@type": "ListItem", "position": 3, "name": "[20190901] - Core - XSS in logo parameter of default templates", "item": "https://www.joomlalondon.co.uk/official-joomla-announcements/20190901-core-xss-in-logo-parameter-of-default-templates" } ] }
```