CVE-2025-59902CWE-79

HTML injection in NICE Chat

High · published February 3, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
31.3
In the wild
Unconfirmed
What it is

HTML injection vulnerability in NICE Chat. This vulnerability allows an attacker to inject and render arbitrary HTML content in email transcripts by modifying the 'firstName' and 'lastName' parameters during a chat session. The injected HTML is included in the body of the email sent by the system, which could enable phishing attacks, impersonation, or credential theft.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00384 · 31.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-03T09:28Z
EPSS history
Timeline
  • 03 FEB 09:28Z
    HTML injection in NICE Chat
    cvelistv5