Arbitrary file upload in Wbce Cms
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/52132 (Exploit, VDB Entry, Third Party Advisory, exploit)
- wbce-cms.org/ (Product, product)
- github.com/WBCE/WBCE_CMS (Product, product)
- youtu.be/Dhg5gRe9Dzs (Exploit, product)
- github.com/Swammers8/WBCE-v1.6.3-Authenticated-RCE (Exploit, technical-description, Third Party Advisory)
- www.vulncheck.com/advisories/wbce-cms-authenticated-remote-code-execution-via-m… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-34506?
- CVE-2025-34506 is a high-severity vulnerability in Wbce Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-12-11.
- How severe is CVE-2025-34506?
- High severity. CVSS v3 base score is 8.8 out of 10.