CVE-2026-104734 Kirki Freeform Page Builder - Insecure Deserialization

Kirki Freeform Page Builder plugin for WordPress <= 6.3.2 contains a PHP Object Injection caused by deserialization of untrusted input, letting authenticated attackers with editor or higher privileges inject PHP objects, exploit requires presence of a POP chain in other plugins or themes.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.47% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Insecure Deserialization
Impact
Remote Code Execution, Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
17 October 2026
Updated
19 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version beyond 6.3.2 or apply patches addressing PHP Object Injection.

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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