CVE-2026-5333CRITICAL 9.8EPSS p83.8%

CVE-2026-5333CVE-2026-5333

Description

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS2.67% probability of exploitation · percentile 83.8% · 2026-06-19T12:03:05Z
Published2026-04-02
Last modified2026-04-29

Underlying weaknesses· 2

CWE-74CWE-77

References

  1. https://github.com/DefaultFuction/Content-Management-System/
  2. https://github.com/DefaultFuction/Content-Management-System/issues/1
  3. https://github.com/DefaultFuction/Content-Management-System/issues/1#issue-4082558620
  4. https://vuldb.com/submit/780849
  5. https://vuldb.com/vuln/354667
  6. https://vuldb.com/vuln/354667/cti

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-740%live
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.