CVE-2019-25737CWE-79

Live Chat Unlimited 2.8.3 Stored Cross-Site Scripting

Medium · published June 4, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
10.8
In the wild
Unconfirmed
What it is

Live Chat Unlimited 2.8.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts through the chat input field. Attackers can submit payloads containing script tags and event handlers that execute in the admin area, enabling cookie theft or forced redirects to malicious websites.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS
0.00211 · 10.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-06-04T13:22Z
EPSS history
Timeline
  • 04 JUN 13:22Z
    Live Chat Unlimited 2.8.3 Stored Cross-Site Scripting
    cvelistv5