CVE-2026-84219

Kirki 6.2.1 - 6.2.5 - Unauthenticated Stored XSS via HTML Entity Decoding

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.

Affected

Kirki

CVSS v3.1 CNA

7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.37% chance of exploitation in the next 30 days, 30th percentile

Published

2026-09-06

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/e95bd1e3-6f61-423f-add6-519e1ca7bf66/

References

• CVE Record
• NVD entry