CVE-2026-88782: Kubio AI Page Builder < 2.9.3 - Contributor+ Stored XSS via Image Gallery Item URL Attribute
Published Oct 3, 2026
·Updated
The Kubio AI Page Builder WordPress plugin before 2.9.3 does not validate the URI scheme of a user-supplied value before outputting it as a link target, allowing users with the contributor role and above to store a payload which executes in the browser of anyone who follows the link, including an administrator previewing the unpublished submission.
Affected Software
1 affected component
Extend Themes Kubio AI Page Builder<2.9.3
Event History
Oct 3, 2026
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
DescriptionWeakness
Data Sourced
via NVD·06:16 AM
Description
Frequently Asked Questions
1
Who can exploit this issue, and who is at risk from the payload?
Any user with the WordPress contributor role or a higher-privileged role can store a malicious link target. The payload executes in the browser of a person who follows that link, including an administrator previewing an unpublished submission.
2
What versions are affected?
Kubio AI Page Builder versions before 2.9.3 are affected.