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Vulnerabilities

Vulnerability · 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.

Published Dec 11, 2025 · catalog updated Apr 7, 2026 · WBCE CMS

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-34506. EPSS is 0.91%. Act only if a listed version of WBCE CMS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.91%
Remediation
Vendor / distro source
Affected products
vendor wbce WBCE CMS 1.6.3

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor wbce WBCE CMS 1.6.31.6.3

How to fix CVE-2025-34506

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-34506. EPSS is 0.91%. Act only if a listed version of WBCE CMS is installed.

Which versions are affected?

Compare what you have installed with wbce WBCE CMS 1.6.3 1.6.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.91%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 11, 2025 · EUVD

    Detected

    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.

  2. Apr 7, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-34506

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-34506

    30-day exploitation probability 0.91%

    first.org
  • EUVDVulnerability recordEUVD-2025-202933

    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 mo

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 27, 2026
  • EUVDOct 26, 2026