CVE-2026-118071
Medium
Description
The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators.
SeverityMedium
CVSS6.8
Exploit probability—
Product
Joinchat
PublishedOct 30, 2026
First seenNov 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Joinchat6.4.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Joinchat | 6.3.2 ≤ v < 6.4.2 | 6.4.2 |
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