What is the CVSS score of CVE-2025-25791?

CVE-2025-25791 has a CVSS 3.1 base score of 4.4 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2025-25791?

Yes, a public proof-of-concept exploit is available for CVE-2025-25791. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-25791?

Within 30 days: Identify affected systems running the plugin installation feature of YZNCMS and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Yzncms CVE-2025-25791

MEDIUM

Command Injection (CWE-77)

2025-02-26 cve@mitre.org

RCE Command Injection File Upload Yzncms

4.4

CVSS 3.1 · Vendor: mitre

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Vulnerability Assessment

Weakness	CWE CWE-77 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Command injection prevention MITRE ATT&CK 1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.4 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.02%.
Exploit ScenarioDerived	A local attacker with access to the system could inject arbitrary commands into system command execution.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

An arbitrary file upload vulnerability in the plugin installation feature of YZNCMS v2.0.1 allows attackers to execute arbitrary code via uploading a crafted Zip file. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. An arbitrary file upload vulnerability in the plugin installation feature of YZNCMS v2.0.1 allows attackers to execute arbitrary code via uploading a crafted Zip file. Affected products include: Yzncms.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (mitre) PRIMARY 4.4 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

PoC Detected

Apr 07, 2025 - 18:52 vuln.today

Public exploit code

CVE Published

Feb 26, 2025 - 15:15 nvd

MEDIUM 4.4

DescriptionCVE.org

An arbitrary file upload vulnerability in the plugin installation feature of YZNCMS v2.0.1 allows attackers to execute arbitrary code via uploading a crafted Zip file.

Executive ViewAI

Why It Matters

Organizations using the plugin installation feature of YZNCMS should be aware of moderate risk from CVE-2025-25791, a command injection vulnerability rated CVSS 4.4. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.

Threat Intelligence Overview

EPSS Score

0.0%

Top 94% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.