WordPress plugin
Kubio AI Website Builder < 2.9.1 — Authenticated (Admin+) Denial of Service
CVE-2026-83492Published · Updated Action summary
Affected: <2.9.1Update to 2.9.1 or newer
All remediation steps- Severity
- Medium4.9
- CVSS
- 4.9CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:NIntegrity- None
A:HAvailability- High
- Weakness
- CWE-20 Improper Input Validation
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Kubio AI Page Builder kubio
- Affected< 2.9.1
- Patched in2.9.1
Update to 2.9.1 or newer.
You are affected if you run < 2.9.1. Version 2.9.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Kubio AI Page Builder.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 2.9.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Kubio AI Page Builder to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Joshua Martinelle.
The Kubio AI Website Builder plugin for WordPress is vulnerable to Denial of Service in all versions up to 2.9.1 (exclusive). This makes it possible for unauthenticated attackers to make the site fatal error denying access to the site.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Kubio AI Page Builder
All 14| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting via kubio/shortcode Block via Product Review ≤2.9.4Update to 2.9.5 | CVE-2026-115816 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤2.9.3Update to 2.9.4 | CVE-2026-94167 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via SVG Comment Content (KSES Allowlist Bypass) ≤2.9.2Update to 2.9.3 | CVE-2026-100107 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤2.9.2Update to 2.9.3 | CVE-2026-88782 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤2.9.2Update to 2.9.3 | CVE-2026-88783 |
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via kubio/shortcode Block via Product Review
≤2.9.4Update to 2.9.5
- High7.2Unauthenticated Stored Cross-Site Scripting
≤2.9.3Update to 2.9.4
- High7.2Unauthenticated Stored Cross-Site Scripting via SVG Comment Content (KSES Allowlist Bypass)
≤2.9.2Update to 2.9.3
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.9.2Update to 2.9.3
- High7.2Unauthenticated Stored Cross-Site Scripting
≤2.9.2Update to 2.9.3
Timeline
CVE published
Severity medium, CVSS 4.9
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.