CVE-2021-4169

MEDIUM 6.1CVE-2021-4169 · Published 26/12/2021 · updated 17/06/2026

In short

CVE-2021-4169 is a MEDIUM (CVSS 6.1) vulnerability affecting live helper chat (livehelperchat).
Chance of exploitation in the next 30 days (EPSS): 0.97%, higher than 62.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
live helper chat livehelperchat	`≤ 3.90`	No fix yet

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

≤ 3.90

No fix yet

More vulnerabilities in live helper chat

See all →