CVE-2026-78302 Cross-site scripting in SP Property extension for Joomla
Unauthenticated attackers can inject malicious scripts via unescaped output in SP Property views and admin lists, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-78302?
CVE-2026-78302 is a high-severity cross-site scripting vulnerability in joomshaper.com SP Property extension for Joomla, published on 10 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Joomla Extension - joomshaper.com - Unauthenticated Stored Cross-Site Scripting (XSS) via Unescaped Output in Views and Admin Lists in SP Property < 4.1.4 - Multiple template files across frontend views and administrator list tables rendered attributes and text values directly into HTML without contextual escaping.
Weakness: CWE-79
Which versions are affected by CVE-2026-78302?
How do I fix CVE-2026-78302?
No fix has been published for CVE-2026-78302 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-78302 being exploited?
There is no known exploitation of CVE-2026-78302 in the wild and no public exploit code.
Sources
Also known as GHSA-43p4-xfx6-v3v6.