Kubio AI Page Builder <= 2.6.3 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Installation
Priority LOW 24CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The Kubio AI Page Builder plugin for WordPress is vulnerable to unauthorized plugin installation due to a missing capability check on the kubio-image-hub-install-plugin AJAX action in all versions up to, and including, 2.6.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install the Image Hub plugin.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00268 18th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| extendthemes | Kubio AI Page Builder | up to 2.6.3 | — | No fix listed | CNA |
- Kubio AI Page Builder Vendorextendthemes Affected up to 2.6.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-8487
- 2026-10-03 Alias added: GHSA-4rm7-gp5r-79qg
References
Other 3
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1f528c89-2b8c-4750-b9eb-47ebd8c1630e?source=cve
- https://plugins.trac.wordpress.org/browser/kubio/tags/2.6.3/lib/integrations/image-hub/image-hub.php#L70
- https://plugins.trac.wordpress.org/changeset/3361499/kubio/trunk/lib/integrations/image-hub/image-hub.php
More extendthemes vulnerabilities
- TI-2025-02014 Kubio AI Page Builder <= 2.5.1 - Unauthenticated Local File Inclusion CVSS 3.1CRITICAL 9.8
- TI-2022-04358 Materialis Companion < 1.3.40 - Contributor+ Stored XSS via Shortcode CVSS 3.1MEDIUM 5.4
- TI-2022-04096 Mesmerize Companion < 1.6.135 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
- TI-2019-15245 Mesmerize <= 1.6.89 & Materialis <= 1.0.172 - Authenticated Arbitrary Options Update CVSS 3.1HIGH 8.8
- TI-2026-54440 WordPress Lead Generation Contact Widget & AI Chatbot: Chat Button, Phone Call, Telegram… CVSS 3.1HIGH 7.5
- TI-2024-22269 WordPress Teluro theme <= 1.0.31 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2025-8487 · CVE Program
- CVE-2025-8487 · NVD
- FIRST EPSS
- GHSA-4rm7-gp5r-79qg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences