CVE-2019-25737

MEDIUM

Live Chat Unlimited 2.8.3 Stored Cross-Site Scripting

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25737. PoCs published by m0ze.

AI-analyzed exploit summary The exploit demonstrates a stored XSS vulnerability in Live Chat Unlimited v2.8.3, where malicious payloads can be injected into the chat input field, leading to arbitrary JavaScript execution in the admin area. The provided payloads confirm the vulnerability by triggering alerts and potentially stealing cookies.

Description

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.

Exploits (1)

exploitdb WORKING POC
by m0ze · textwebappsphp
https://www.exploit-db.com/exploits/47037

The exploit demonstrates a stored XSS vulnerability in Live Chat Unlimited v2.8.3, where malicious payloads can be injected into the chat input field, leading to arbitrary JavaScript execution in the admin area. The provided payloads confirm the vulnerability by triggering alerts and potentially stealing cookies.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Live Chat Unlimited v2.8.3
No auth needed
Prerequisites: Access to the chat interface on a vulnerable installation
devstral-2 · analyzed Jun 04, 2026 Full analysis →

References (4)

Core 4
Core References
Product product
Official Product Homepage
https://screets.com/
Exploit exploit
ExploitDB-47037
https://www.exploit-db.com/exploits/47037
Third Party Advisory third-party-advisory
VulnCheck Advisory: Live Chat Unlimited 2.8.3 Stored Cross-Site Scripting
https://www.vulncheck.com/advisories/live-chat-unlimited-stored-cross-site-scripting

Scores

CVSS v3 6.1
EPSS 0.0021
EPSS Percentile 11.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
Screets/Live Chat Unlimited 2.8.3
Published Jun 04, 2026
Tracked Since Jun 04, 2026