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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.

PUBLISHED Reserved 2026-06-04 | Published 2026-06-04 | Updated 2026-06-05 | Assigner VulnCheck




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

2.8.3
affected

Credits

m0ze finder

References

www.exploit-db.com/exploits/47037 (ExploitDB-47037) exploit

screets.com/ (Official Product Homepage) product

codecanyon.net/item/wordpress-live-chat-plugin/3952877 (Product Reference) product

www.vulncheck.com/...t-unlimited-stored-cross-site-scripting (VulnCheck Advisory: Live Chat Unlimited 2.8.3 Stored Cross-Site Scripting) third-party-advisory

cve.org (CVE-2019-25737)

nvd.nist.gov (CVE-2019-25737)

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