CVE-2025-34506HIGH 8.8EPSS p50.6%

CVE-2025-34506CVE-2025-34506

Description

WBCE CMS version 1.6.3 and prior contains an authenticated remote code execution vulnerability that allows administrators to upload malicious modules. Attackers can craft a specially designed ZIP module with embedded PHP reverse shell code to gain remote system access when the module is installed.

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
EPSS0.77% probability of exploitation · percentile 50.6% · 2026-06-19T12:03:05Z
Published2025-12-11
Last modified2025-12-15

Underlying weaknesses· 1

CWE-434

References

  1. https://github.com/Swammers8/WBCE-v1.6.3-Authenticated-RCE
  2. https://github.com/WBCE/WBCE_CMS
  3. https://wbce-cms.org/
  4. https://www.exploit-db.com/exploits/52132
  5. https://www.vulncheck.com/advisories/wbce-cms-authenticated-remote-code-execution-via-module-upload
  6. https://youtu.be/Dhg5gRe9Dzs?si=-WQoiWU1yqvYNz1e

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.