CVE-2025-34506

Name: CVE-2025-34506
Creator: NVD / NIST
Published: 2025-12-11T22:15:53.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2025-34506 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

8.6/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.77%

50.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Wbce	Wbce Cms	<= 1.6.3

References

https://github.com/Swammers8/WBCE-v1.6.3-Authenticated-RCEExploit, Third Party Advisory
https://github.com/WBCE/WBCE_CMSProduct
https://wbce-cms.org/Product
https://www.exploit-db.com/exploits/52132Exploit, Third Party Advisory, VDB Entry
https://www.vulncheck.com/advisories/wbce-cms-authenticated-remote-code-execution-via-module-uploadThird Party Advisory
https://youtu.be/Dhg5gRe9Dzs?si=-WQoiWU1yqvYNz1eExploit

Timeline

Published: Dec 11, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-34506?

How severe is CVE-2025-34506?

CVE-2025-34506 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2025-34506?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-34506?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST