CVE-2025-46191: Arbitrary File Upload in user_payment_update.php in SourceCodester Client Database Management System 1.0 allow

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-46191 is a critical-severity flaw (CVSS 9.8) affecting client database management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Arbitrary File Upload in user_payment_update.php in SourceCodester Client Database Management System 1.0 allows unauthenticated users to upload arbitrary files via the uploaded_file_cancelled field. Due to the absence of proper file extension checks, MIME type validation, and authentication, attackers can upload executable PHP files to a web-accessible directory (/files/). This allows them to execute arbitrary commands remotely by accessing the u

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-94
Published	2025-05-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lerouxyxchire

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

Am I affected?

Timeline

2025-05-09 17:15 UTCPublished CVE record published
2026-06-17 09:26 UTCUpdated Record last modified

lerouxyxchire client database management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy client-database-management-system || rpm -q client-database-management-system || client-database-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison client-database-management-system sudo apt install client-database-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold client-database-management-system

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

dnf --showduplicates list client-database-management-system sudo dnf downgrade client-database-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add client-database-management-system

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-2025-46191?

client database management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-46191 being exploited?

CVE-2025-46191 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-2025-46191 affect?

CVE-2025-46191 affects client database management system. Severity is critical (CVSS 9.8). Arbitrary File Upload in user_payment_update.php in SourceCodester Client Database Management System 1.0 allows unauthenticated users to upload arbitrary files via the uploaded_file_cancelled field. Due to the absence of proper file extensi

How urgent is CVE-2025-46191?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-3764 HIGH 7.3 DOWNGRADE A vulnerability was determined in SourceCodester Client Database Management System 1.0
CVE-2026-3762 HIGH 7.3 DOWNGRADE A vulnerability has been found in SourceCodester Client Database Management System 1.0/3.1
CVE-2026-3761 MEDIUM 5.4 DOWNGRADE A flaw has been found in SourceCodester Client Database Management System 1.0
CVE-2026-3734 HIGH 7.3 DOWNGRADE A flaw has been found in SourceCodester Client Database Management System 1.0
CVE-2025-63711 HIGH 7.1 DOWNGRADE A Cross-Site Request Forgery (CSRF) vulnerability in the SourceCodester Client Database Management System 1.0

References

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