CVE-2026-56290
10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red
Summary
Joomla Extension - joomlack.fr - Unauthenticated file upload in Page Builder CK extension < 3.6.0 - The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| joomlack.fr | JoomlaCK.fr Page Builder CK extension for Joomla | 1.0-3.6.0 | affected |
Weaknesses
- CWE-434: CWE-434: Unrestricted Upload of File with Dangerous Type
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: active
- Automatable: yes
- Technical Impact: total
Additional References
- https://mysites.guru/blog/pagebuilderck-unauthenticated-file-upload-rce/
- https://forum.joomlack.fr/index.php/page-builder-ck/21627-nouvelle-version-de-pbck-et-joomla-3
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56290
References
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