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Kirki 6.0.0 - 6.3.0 - Author+ Stored XSS via Unsanitized SVG Upload

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-84223

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-84223

Published

Kirki 6.0.0 - 6.3.0 - Author+ Stored XSS via Unsanitized SVG Upload

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.

Source published
20 Sep 2026 06:00:16 UTC
Source modified
20 Sep 2026 13:49:20 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

ChangeIntel

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Sources read 13 Nov 01:58 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current