CVE-2025-34506

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.

CVSS 4.0

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-25)

CWE

CWE-434

Published

2025-12-11

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• wbce:wbce_cms

References

• https://github.com/Swammers8/WBCE-v1.6.3-Authenticated-RCE
• https://github.com/WBCE/WBCE_CMS
• https://wbce-cms.org/
• https://www.exploit-db.com/exploits/52132
• https://www.vulncheck.com/advisories/wbce-cms-authenticated-remote-code-execution-via-module-upload

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