CVE-2023-53885: Webutler v3.2 contains a remote code execution vulnerability that allows authenticated administrators to uploa

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HIGH 7.2DOWNGRADE

CVE-2023-53885 is a high-severity flaw (CVSS 7.2) affecting webutler. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Webutler v3.2 contains a remote code execution vulnerability that allows authenticated administrators to upload PHP files with system command execution. Attackers can upload a PHAR file with embedded system commands to the media browser and execute arbitrary commands by accessing the uploaded file.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-434
Published	2025-12-15
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: webutler

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

Am I affected?

Timeline

2025-12-15 21:15 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

webutler webutler DOWNGRADE

Affected: 3.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2

1. Check installed version

apt-cache policy webutler || rpm -q webutler || webutler --version

2. No fixed release: DOWNGRADE to a release before 3.2 (Debian / Ubuntu)

apt-cache madison webutler sudo apt install webutler=<VERSION_BEFORE_3.2> sudo apt-mark hold webutler

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

dnf --showduplicates list webutler sudo dnf downgrade webutler-<VERSION_BEFORE_3.2> sudo dnf versionlock add webutler

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-2023-53885?

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

Is CVE-2023-53885 being exploited?

CVE-2023-53885 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-2023-53885 affect?

CVE-2023-53885 affects webutler. Severity is high (CVSS 7.2). Webutler v3.2 contains a remote code execution vulnerability that allows authenticated administrators to upload PHP files with system command execution. Attackers can upload a PHAR file with embedded system commands to the media browser and

How urgent is CVE-2023-53885?

Priority 45/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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