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.
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sun, 20 Sep 2026 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-79 |
Sun, 20 Sep 2026 08:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Kirki
Kirki kirki Wordpress Wordpress wordpress |
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| Vendors & Products |
Kirki
Kirki kirki Wordpress Wordpress wordpress |
Sun, 20 Sep 2026 06:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Kirki 6.0.0 - 6.3.0 - Author+ Stored XSS via Unsanitized SVG Upload | |
| References |
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Projects
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Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-09-20T06:00:16.686Z
Reserved: 2026-09-01T11:50:32.830Z
Link: CVE-2026-84223
No data.
Status : Received
Published: 2026-09-20T07:16:50.200
Modified: 2026-09-20T07:16:50.200
Link: CVE-2026-84223
No data.
OpenCVE Enrichment
Updated: 2026-09-20T08:00:08Z
Weaknesses