CVE-2025-63678: An authenticated arbitrary file upload vulnerability in the /uploads/ endpoint of CMS Made Simple Foundation F

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HIGH 7.2DOWNGRADE

CVE-2025-63678 is a high-severity flaw (CVSS 7.2) affecting file manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An authenticated arbitrary file upload vulnerability in the /uploads/ endpoint of CMS Made Simple Foundation File Manager v2.2.22 allows attackers with Administrator privileges to execute arbitrary code via uploading a crafted PHP 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	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-434
Published	2025-11-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cmsmadesimple

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

Am I affected?

Timeline

2025-11-10 23:15 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

cmsmadesimple file manager DOWNGRADE

Affected: 2.2.22

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.22

1. Check installed version

apt-cache policy file-manager || rpm -q file-manager || file-manager --version

2. No fixed release: DOWNGRADE to a release before 2.2.22 (Debian / Ubuntu)

apt-cache madison file-manager sudo apt install file-manager=<VERSION_BEFORE_2.2.22> sudo apt-mark hold file-manager

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

dnf --showduplicates list file-manager sudo dnf downgrade file-manager-<VERSION_BEFORE_2.2.22> sudo dnf versionlock add file-manager

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-2025-63678?

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

Is CVE-2025-63678 being exploited?

CVE-2025-63678 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-2025-63678 affect?

CVE-2025-63678 affects file manager. Severity is high (CVSS 7.2). An authenticated arbitrary file upload vulnerability in the /uploads/ endpoint of CMS Made Simple Foundation File Manager v2.2.22 allows attackers with Administrator privileges to execute arbitrary code via uploading a crafted PHP file.

How urgent is CVE-2025-63678?

Priority 40/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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