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Fencer Vulns
high 8.7

CVE-2026-79418 json

EMX Tecnologia Gestao X version <= 8.4 contains a Stored Cross-Site Scripting (XSS) vulnerability in the Help Chat functionality.

published 2026-09-04 2 mo ago modified 2026-09-17 52 d ago also EUVD-2026-71457

cvss
8.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
54 d ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • drive.google.com https://drive.google.com/file/d/1mp-uS-tAthH9FAObfx1D3lOM7IIjRsmE/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
NVD 3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CNA 3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.