CVE-2026-79418
EMX Tecnologia Gestao X Stored Cross-Site Scripting Vulnerability
Description
EMX Tecnologia Gestao X version <= 8.4 contains a Stored Cross-Site Scripting (XSS) vulnerability in the Help Chat functionality. Improper neutralization of user-controlled input during web page generation allows authenticated attackers to execute arbitrary JavaScript in the context of other authenticated users, potentially resulting in session hijacking, account takeover, and unauthorized actions.
INFO
Published Date :
Sept. 4, 2026, 4:18 p.m.
Last Modified :
Sept. 17, 2026, 7:20 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update EMX Tecnologia Gestao X to a patched version.
- Apply security updates from the vendor.
- Validate fix by testing Help Chat functionality.
- Educate users about input sanitization.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-79418.
| URL | Resource |
|---|---|
| https://drive.google.com/file/d/1mp-uS-tAthH9FAObfx1D3lOM7IIjRsmE/view?usp=sharing | Exploit Technical Description Third Party Advisory |
| https://emxtecnologia.com.br/gestao-x-business-suite/ | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-79418 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-79418
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-79418 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-79418 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N Added CPE Configuration OR *cpe:2.3:a:emxtecnologia:gestao_x_business_suite:*:*:*:*:*:*:*:* versions up to (including) 8.4 Added Reference Type MITRE: https://drive.google.com/file/d/1mp-uS-tAthH9FAObfx1D3lOM7IIjRsmE/view?usp=sharing Types: Exploit, Technical Description, Third Party Advisory Added Reference Type MITRE: https://emxtecnologia.com.br/gestao-x-business-suite/ Types: Product -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 15, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N Removed CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed SSVC {'id': 'CVE-2026-79418', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-08T13:59:08.908724Z'} {'id': 'CVE-2026-79418', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-15T18:49:39.097451Z'} -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added SSVC {'id': 'CVE-2026-79418', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-08T13:59:08.908724Z'} -
New CVE Received by [email protected]
Sep. 04, 2026
Action Type Old Value New Value Added Description EMX Tecnologia Gestao X version <= 8.4 contains a Stored Cross-Site Scripting (XSS) vulnerability in the Help Chat functionality. Improper neutralization of user-controlled input during web page generation allows authenticated attackers to execute arbitrary JavaScript in the context of other authenticated users, potentially resulting in session hijacking, account takeover, and unauthorized actions. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/79xxx/CVE-2026-79418.json">CVE-2026-79418</a> Added Reference https://drive.google.com/file/d/1mp-uS-tAthH9FAObfx1D3lOM7IIjRsmE/view?usp=sharing Added Reference https://emxtecnologia.com.br/gestao-x-business-suite/