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Vulnerabilities

Vulnerability · CVE-2026-5333

A security flaw has been discovered in DefaultFuction Content-Management-System 1.0.

Published Apr 2, 2026 · catalog updated Jun 17, 2026 · content management system

Check if you run it

No confirmed exploitation is on record for CVE-2026-5333. EPSS is 3.56%. Act only if a listed version of content management system is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.56%
Remediation
Advisory link
Affected products
cpe defaultfuction/content management system

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe defaultfuction/content management system1.0

How to fix CVE-2026-5333

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-5333. EPSS is 3.56%. Act only if a listed version of content management system is installed.

Which versions are affected?

Compare what you have installed with defaultfuction/content management system 1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-74: Injection; CWE-77: Command Injection. EPSS 3.56%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 2, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-5333

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-5333

    30-day exploitation probability 3.6%

    first.org
  • NIST NVDVulnerability recordCVE-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 b

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.