Joomshaper SP Property Extension up to 1.0.0/4.1.3 cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.48+

Summaryinfo

A vulnerability was found in Joomshaper SP Property Extension up to 1.0.0/4.1.3. It has been declared as problematic. Affected is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2026-78302. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Joomshaper SP Property Extension up to 1.0.0/4.1.3 and classified as problematic. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

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.

The advisory is shared for download at joomshaper.com. This vulnerability was named CVE-2026-78302 since 08/24/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/24/2026 CVE reserved
09/10/2026 +17 days Advisory disclosed
09/10/2026 +0 days VulDB entry created
09/10/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: joomshaper.com
Status: Not defined

CVE: CVE-2026-78302 (🔒)
GCVE (CVE): GCVE-0-2026-78302
GCVE (VulDB): GCVE-100-402016

Entryinfo

Created: 09/10/2026 12:16
Changes: 09/10/2026 12:16 (63)
Complete: 🔍
Cache ID: 216::103

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