CVE-2025-66204: WBCE CMS is a content management system

Q: How do I fix CVE-2025-66204?

wbce cms: upgrade to 1.6.5. Exact commands for each OS are on this page.

Q: Is CVE-2025-66204 being exploited?

CVE-2025-66204 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-2025-66204 affect?

CVE-2025-66204 affects wbce cms. Severity is high (CVSS 8.1). WBCE CMS is a content management system. Version 1.6.4 contains a brute-force protection bypass where an attacker can indefinitely reset the counter by modifying `X-Forwarded-For` on each request, gaining unlimited password guessing attempt

Q: How urgent is CVE-2025-66204?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 8.1REMOTEUPGRADE

CVE-2025-66204 is a high-severity flaw (CVSS 8.1) affecting wbce cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WBCE CMS is a content management system. Version 1.6.4 contains a brute-force protection bypass where an attacker can indefinitely reset the counter by modifying `X-Forwarded-For` on each request, gaining unlimited password guessing attempts, effectively bypassing all brute-force protection. The application fully trusts the `X-Forwarded-For` header without validating it or restricting its usage. This issue is fixed in version 1.6.5.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-307, CWE-693
Published	2025-12-09
Last modified	2026-10-07

Publisher (CNA): GitHub, Inc. · Vendor: wbce

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-09 00:15 UTCPublished CVE record published
2026-10-07 20:10 UTCUpdated Record last modified

wbce wbce cms UPGRADE

Affected: < 1.6.5

Fixed in: 1.6.5

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 1.6.5 (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-2025-66204?

wbce cms: upgrade to 1.6.5. Exact commands for each OS are on this page.

Is CVE-2025-66204 being exploited?

CVE-2025-66204 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-2025-66204 affect?

CVE-2025-66204 affects wbce cms. Severity is high (CVSS 8.1). WBCE CMS is a content management system. Version 1.6.4 contains a brute-force protection bypass where an attacker can indefinitely reset the counter by modifying `X-Forwarded-For` on each request, gaining unlimited password guessing attempt

How urgent is CVE-2025-66204?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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