CVE-2026-78303: CWE-201: Insertion of Sensitive Information Into Sent Data in joomshaper.com SP Property extension for Joomla
Description
A vulnerability in the SP Property extension for Joomla versions 1.0.0 through 4.1.3 allows unvalidated email destination and form manipulation in booking requests. This occurs because booking inquiries rely on client-submitted hidden fields for recipient routing, which can be manipulated to insert sensitive information into sent data. The issue is tracked as CVE-2026-78303 with a medium severity rating and a CVSS score of 6.9.
CVSS v4.0
Score 6.9medium
Affected software
joomshaper.com
SP Property extension for Joomla
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78303 describes a vulnerability in the SP Property extension for Joomla (versions 1.0.0 to 4.1.3) where booking inquiries use client-submitted hidden fields to determine email recipients. This lack of validation allows an attacker to manipulate the email destination and form data, resulting in the insertion of sensitive information into sent emails. The vulnerability is categorized under CWE-201 (Insertion of Sensitive Information Into Sent Data).
Potential Impact
An attacker can manipulate booking request forms to alter the email recipient and potentially insert sensitive information into outgoing emails. This could lead to unauthorized disclosure of sensitive data or misrouting of booking inquiries. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
No official patch or fix is currently documented. Users should check the vendor's advisory for updates. Until a fix is available, avoid relying on client-submitted hidden fields for email routing or implement server-side validation to verify email destinations and form data integrity.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-08-24T08:02:46.185Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa28170acd9273b49f2e330
Added to database: 09/10/2026, 10:07:44 UTC
Last enriched: 09/18/2026, 00:50:17 UTC
Last updated: 10/11/2026, 18:48:22 UTC
Views: 81
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