---
id: CVE-2026-84223
title: >-
  The Kirki  WordPress plugin before 6.3.1 does not sanitize uploaded SVG files
  while making them uploadable site-wide, allowing users with author-level
  access and above to upload a file containing JavaScript which is then served
  from the …
summary: >-
  The Kirki  WordPress plugin before 6.3.1 does not sanitize uploaded SVG files
  while making them uploadable site-wide, allowing users with author-level
  access and above to upload a file containing JavaScript which is then served
  from the …
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-79
product: Kirki
affected:
  - Kirki >= 6.0.0 < 6.3.1
published: '2026-09-20'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T13:34:57.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84223'
references:
  - url: 'https://wpscan.com/vulnerability/02ed6d31-84f3-4723-8b49-ddb00c7db7d3/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00431
epssPercentile: 0.34619
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-20T13:49:17.139425Z'
ingestedAt: '2026-09-20T07:16:12.222Z'
---

## Overview

The Kirki  WordPress plugin before 6.3.1 does not sanitize uploaded SVG files while making them uploadable site-wide, allowing users with author-level access and above to upload a file containing JavaScript which is then served from the site's own origin and runs in the session of anyone who opens it.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.