Exploit for XSS via BBCode on Kunena extension before 5.1.14 for Joomla!# CVE-2019-15120
Exploit for XSS via BBCode on Kunena extension before 5.1.14 for Joomla!
# Information
Description: In Kunena extension before 5.1.14 for Joomla!, it’s possible for any user to execute a stored XSS attack by sending special message in any field with BBcode support. As a result, the vulnerability can easily leads to RCE.
Versions Affected: Kunena extension for Joomla! version 5.x through 5.1.14
Researcher: Andrey Skuratov (https://github.com/h3llraiser/)
Disclosure Link: https://www.kunena.org/blog/207-kunena-5-1-14-released
VEL Link: https://vel.joomla.org/resolved/2260-kunena-5-0-x-5-1-14-xss-cross-site-scripting
NIST CVE Link: https://nvd.nist.gov/vuln/detail/CVE-2019-15120
# POC
An example of vector:
```[spoiler="qwe<script>alert('PWNED!')</script>"]rty[/spoiler]```
# Screenshots:


# Stored XSS in Kunena extension before 5.1.14 for Joomla! to RCE video demonstration (BONUS)
[](https://youtu.be/xmEub6ZVUhI)
[4.0K] /data/pocs/c84a9f757f11676651941627f810286c4bc0a07e
├── [855K] POC_1_1.png
├── [682K] POC_1_2.png
└── [1.0K] README.md
0 directories, 3 files