---
id: CVE-2026-78303
title: >-
  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 pote…
summary: >-
  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 pote…
severity: medium
cvss: 6.9
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N'
cwe:
  - CWE-201
vendor: joomshaper.com
product: SP Property extension for Joomla
affected:
  - sp_property_extension_for_joomla 1.0.0-4.1.3
published: '2026-09-10'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T15:13:07.090'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78303'
references:
  - url: 'https://www.joomshaper.com/joomla-extensions/sp-property'
    label: security@joomla.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-10T12:21:34.526999Z'
cvssSource: cna
ingestedAt: '2026-09-14T13:53:10.665Z'
epss: 0.00253
epssPercentile: 0.17059
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.