CVE-2026-5333: DefaultFuction Content-Management-System · Command Injection
Affects DefaultFuction Content-Management-SystemSource CVE Database V5
Public exploit available · CVSS 6.9 Medium.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 2.9% chance of exploitation in 30 days – higher than 87% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 2 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DefaultFuctionContent-Management-System | Affected
| Fixed in– |
GitHubdefaultfuction/Content-Management-Systempkg:github/defaultfuction/Content-Management-SystemOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until an official fix is released, restrict access to the /admin/tools.php endpoint and validate or sanitize input parameters to mitigate exploitation risk.
Description
CVE-2026-5333 is a command injection vulnerability in DefaultFuction Content-Management-System version 1.0. It occurs due to improper handling of the 'host' argument in the /admin/tools.php file, allowing remote attackers to execute arbitrary commands. The vulnerability has a medium severity with a CVSS 4.0 base score of 6.9. Although the exploit code has been publicly released, there are no confirmed reports of exploitation in the wild. No official patch or remediation guidance is currently available from the vendor.
References
- vuldb.com/vuln/354667 (opens in a new tab)
- vuldb.com/vuln/354667/cti (opens in a new tab)
- vuldb.com/submit/780849 (opens in a new tab)
- github.com/DefaultFuction/Content-Management-System/issues/1 (opens in a new tab)
- github.com/DefaultFuction/Content-Management-System/issues/1 (opens in a new tab)
- github.com/DefaultFuction/Content-Management-System/ (opens in a new tab)