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.
Published: 2026-09-06
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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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

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

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

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

Link: CVE-2026-84219

cve-icon Vulnrichment

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

cve-icon NVD

Status : Received

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

Modified: 2026-09-06T11:18:03.950

Link: CVE-2026-84219

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-06T13:15:06Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')