CVE-2026-84219
High
Description
The Kirki WordPress plugin before 6.3.0 does not hold back every spelling of the HTML entities it decodes when rendering, allowing unauthenticated users to store JavaScript in a comment which then runs in the session of anyone viewing a page that displays it, including an administrator, and on every page of the site when its header or footer is built to show comments.
SeverityHigh
CVSS7.5
Exploit probability—
ProductKirki
PublishedSep 6, 2026
First seenSep 6, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Kirki6.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Kirki | 6.2.1 ≤ v < 6.3.0 | 6.3.0 |
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