CVE-2026-78303 Business logic in SP Property extension for Joomla
Attackers can manipulate booking request forms to alter email destinations, potentially redirecting sensitive inquiries to unauthorized recipients.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78303?
CVE-2026-78303 is a medium-severity 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, with no action from the victim.
Official description
Joomla Extension - joomshaper.com - Unvalidated Email Destination & Form Manipulation in Booking Requests in SP Property < 4.1.4 - Booking inquiries previously relied on client-submitted hidden fields for recipient routing, allowing potential email manipulation.
Weakness: CWE-201
Which versions are affected by CVE-2026-78303?
How do I fix CVE-2026-78303?
No fix has been published for CVE-2026-78303 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-78303 being exploited?
There is no known exploitation of CVE-2026-78303 in the wild and no public exploit code.
Sources
Also known as GHSA-f8qx-856v-37ff.