CVE-2026-84219 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Kirki	Kirki
Wordpress	Wordpress

No data.

No data.

References

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

History

Sun, 06 Sep 2026 11:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Sun, 06 Sep 2026 08:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Kirki Kirki kirki Wordpress Wordpress wordpress
Vendors & Products		Kirki Kirki kirki Wordpress Wordpress wordpress

Sun, 06 Sep 2026 07:45:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-79

Sun, 06 Sep 2026 06:30:00 +0000

Type	Values Removed	Values Added
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.
Title		Kirki 6.2.1 - 6.2.5 - Unauthenticated Stored XSS via HTML Entity Decoding
References		https://wpscan.com/vulnerability/e95bd1e3-6f61-423f-add6-519e1ca7bf66/

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-09-06T06:00:04.619Z

Updated: 2026-09-06T10:44:25.273Z

Reserved: 2026-09-01T11:50:19.947Z

Link: CVE-2026-84219

Vulnrichment

Updated: 2026-09-06T10:39:27.272Z

NVD

Status : Deferred

Published: 2026-09-06T07:16:43.427

Modified: 2026-09-08T19:09:21.310

Link: CVE-2026-84219

Redhat

No data.

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