CVE-2026-6249HIGH 8.8EPSS p45.1%

CVE-2026-6249CVE-2026-6249

Description

Vvveb CMS 1.0.8.2 contains a remote code execution vulnerability in its media upload handler that allows authenticated attackers to execute arbitrary operating system commands by uploading a PHP webshell with a .phtml extension. Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, then request the file over HTTP to achieve full server compromise.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.62% probability of exploitation · percentile 45.1% · 2026-06-19T12:03:05Z
Published2026-04-20
Last modified2026-05-06

Underlying weaknesses· 1

CWE-434

References

  1. https://github.com/givanz/Vvveb/commit/23ac0e8c758d80f3c4d9224763c8b2359648270e
  2. https://www.vulncheck.com/advisories/vvveb-cms-remote-code-execution-via-media-upload

1

TypeTargetConfidenceTier
WeaknessUnrestricted Upload of File with Dangerous Typecwe-4340%live

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