CVE-2023-53901: WBCE CMS 1.6.1 contains a cross-site scripting vulnerability that allows attackers to inject malicious HTML an

Routine

MEDIUM 5.4DOWNGRADE

CVE-2023-53901 is a medium-severity flaw (CVSS 5.4) affecting wbce cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WBCE CMS 1.6.1 contains a cross-site scripting vulnerability that allows attackers to inject malicious HTML and CSS to capture user keystrokes. Attackers can upload a crafted HTML file with CSS-based keylogging techniques to intercept password characters through background image requests.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-601
Published	2025-12-16
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: wbce

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-16 17:16 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

wbce wbce cms DOWNGRADE

Affected: 1.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6.1 (Debian / Ubuntu)

apt-cache madison wbce-cms sudo apt install wbce-cms=<VERSION_BEFORE_1.6.1> sudo apt-mark hold wbce-cms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wbce-cms sudo dnf downgrade wbce-cms-<VERSION_BEFORE_1.6.1> sudo dnf versionlock add wbce-cms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2023-53901?

wbce cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-53901 being exploited?

CVE-2023-53901 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-2023-53901 affect?

CVE-2023-53901 affects wbce cms. Severity is medium (CVSS 5.4). WBCE CMS 1.6.1 contains a cross-site scripting vulnerability that allows attackers to inject malicious HTML and CSS to capture user keystrokes. Attackers can upload a crafted HTML file with CSS-based keylogging techniques to intercept passw

How urgent is CVE-2023-53901?

Priority 29/100. Public exploit reference

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References

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