CVE-2026-66636
Medium
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcin Wise Chat wise-chat allows Stored XSS.This issue affects Wise Chat: from n/a through 3.4.3.
SeverityMedium
CVSS6.5
Exploit probability—
ProductWise Chat
PublishedAug 18, 2026
First seenAug 18, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Marcin Wise Chat | v ≤ 3.4.3 | — |
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