CVE-2015-7343 Reflected Cross-Site Scripting in JNews Joomla Component

1. Vulnerability Properties

Title: Cross-Site Scripting in JNews Joomla Component
CVE ID: CVE-2015-7343
CVSSv3 Base Score: 6.7 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L)
Vendor: Joobi
Products: JNews Core
Advisory Release Date: 28 October 2015
Advisory URL:
Credits: Discovery by Fábio Pires <fp[at]>, Filipe Reis <fr[at]>, Vitor Oliveira <vo[at]>

2. Vulnerability Summary

The Jnews's Joomla Extension is vulnerable to Reflected Cross-Site Scripting in the mailingsearch parameter.

3. Technical Details

By submiting the following POST request, it is possible to inject javascript code in the server response that will be executed when the page is loaded.

[caption id="attachment_532" align="alignnone" width="921"]1 Post Request[/caption]

[caption id="" align="alignnone" width="896"]2 Server response[/caption]

[caption id="" align="alignnone" width="813"]3 Browser output[/caption]

This vulnerability can be exploited from the back-end of joomla (/administrator), but it also can be exploited by using a simple Registered account.

4. Vulnerable Versions

  • 8.3.1

5. Solution

  • Update to 8.5.0

6. Vulnerability Timeline

  • September 01, 2015 — Bug reported to Joobi
  • September 02, 2015 —Jnews’s team replied asking more info
  • September 24, 2015 —Jnews’s team releases a new version
  • October 28, 2015 — Public disclosure

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