CVE-2026-102173 Kirki Freeform Page Builder - Stored XSS

Kirki Freeform Page Builder plugin for WordPress <= 6.3.1 contains a stored cross-site scripting caused by insufficient escaping in ExceptionalElements::image_element() concatenating user-meta into img src attribute, letting unauthenticated attackers execute arbitrary scripts, exploit requires public user registration and a published page with kirki-register element.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.37% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version beyond 6.3.1.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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