Skip to main content

EUVDEUVD-2026-71457

| CVE-2026-79418 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-09-04 mitre GHSA-4q68-wwmh-hwrj
8.7
CVSS 3.1 · Vendor: mitre
Share

Severity by source

Vendor (mitre) PRIMARY
8.7 HIGH
AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
vuln.today AI
5.4 MEDIUM

Network-accessible web app, low-privilege auth to inject, victim interaction required to trigger; S:C reflects cross-user session impact.

3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

8
Analysis Updated
Sep 15, 2026 - 19:27 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Sep 15, 2026 - 19:22 vuln.today
cvss_changed
Severity Changed
Sep 15, 2026 - 19:22 NVD
MEDIUM HIGH
CVSS changed
Sep 15, 2026 - 19:22 NVD
5.4 (MEDIUM) 8.7 (HIGH)
Metadata Corrected
Sep 08, 2026 - 15:40 vuln.today
tag: N A removed
Analysis Generated
Sep 08, 2026 - 15:35 vuln.today
CVSS changed
Sep 08, 2026 - 15:22 NVD
5.4 (MEDIUM)
CVE Published
Sep 04, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

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.

AnalysisAI

Stored cross-site scripting in EMX Tecnologia's Gestão X business-management suite (version 8.4 and earlier) lets an authenticated user plant malicious JavaScript inside the Help Chat feature, which then executes in the browser of any other authenticated user who opens that conversation. Successful exploitation enables session hijacking, account takeover and unauthorized actions performed under the victim's identity, with the attacker's own privileges and one victim click as the only prerequisites. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Threat intelligence, references, and detailed analysis are available after sign-in.

Share

EUVD-2026-71457 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy