CVE-2026-88783 Kubio AI Page Builder WordPress - Stored XSS

Kubio AI Page Builder WordPress plugin < 2.9.3 contains a stored XSS caused by improper limitation of allowed HTML elements filtering, letting unauthenticated attackers execute scripts in visitors' or admins' browsers, exploit requires unauthenticated content submission.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.28% 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:R/S:U/C:H/I:H/A:H
Published
3 October 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to version 2.9.3 or later.

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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