RCE in Defaultfuction Content-Management-System
CVE-2026-5333
A security flaw has been discovered in DefaultFuction Content-Management-System 1.0. This issue affects some unknown processing of the file /admin/tools.php. The manipulation of the argument host results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.036 (89.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.036 · change: +0.006
Affected products
- Defaultfuction Content-Management-System — versions 1.0
- Defaultfuction Content Management System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/354667 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/354667/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/780849 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/DefaultFuction/Content-Management-System/issues/1 (issue-tracking, Exploit, Vendor Advisory)
- github.com/DefaultFuction/Content-Management-System/issues/1 (issue-tracking, Exploit, exploit, Vendor Advisory)
- github.com/DefaultFuction/Content-Management-System/ (Product, product)
Frequently asked questions
- What is CVE-2026-5333?
- CVE-2026-5333 is a high-severity vulnerability in Defaultfuction Content-Management-System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-02.
- How severe is CVE-2026-5333?
- High severity. CVSS v3 base score is 7.3 out of 10.