CVE-2025-34506: WBCE CMS version 1.6.3 and prior contains an authenticated remote code execution vulnerability that allows adm

Q: How do I fix CVE-2025-34506?

wbce cms: upgrade to newer than 1.6.3. Exact commands for each OS are on this page.

Q: Is CVE-2025-34506 being exploited?

CVE-2025-34506 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-34506 affect?

CVE-2025-34506 affects wbce cms. Severity is high (CVSS 8.8). 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

Q: How urgent is CVE-2025-34506?

Priority 51/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2025-34506 is a high-severity flaw (CVSS 8.8) affecting wbce cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-434
Published	2025-12-11
Last modified	2026-10-29

Publisher (CNA): VulnCheck · Vendor: wbce

Last updated 2026-10-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-11 22:15 UTCPublished CVE record published
2026-10-29 21:17 UTCUpdated Record last modified

wbce wbce cms UPGRADE

Affected: <= 1.6.3

Fixed in: newer than 1.6.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wbce-cms || rpm -q wbce-cms || wbce-cms --version

2. UPGRADE to newer than 1.6.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wbce-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wbce-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-34506?

wbce cms: upgrade to newer than 1.6.3. Exact commands for each OS are on this page.

Is CVE-2025-34506 being exploited?

CVE-2025-34506 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-34506 affect?

CVE-2025-34506 affects wbce cms. Severity is high (CVSS 8.8). 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

How urgent is CVE-2025-34506?

Priority 51/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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