CVE-2026-48940
Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26
Description
A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.
INFO
Published Date :
June 25, 2026, 3:26 p.m.
Last Modified :
June 25, 2026, 3:26 p.m.
Remotely Exploit :
No
Source :
Joomla
Affected Products
The following products are affected by CVE-2026-48940
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update K2 to the latest version.
- Sanitize embedVideo POST field input.
- Review all user-supplied content fields.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-48940 vulnerability anywhere in the article.