What is the CVSS score of CVE-2025-65838?

CVE-2025-65838 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2025-65838?

Yes, a public proof-of-concept exploit is available for CVE-2025-65838. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-65838?

Within 24 hours: Identify all systems running PublicCMS V5.202506.b and assess exposure; disable file upload functionality if operationally feasible. Within 7 days: Implement WAF rules to block malicious upload requests targeting the doUploadSitefile method; apply network segmentation to restrict access to PublicCMS instances. Within 30 days: Evaluate upgrade path to a patched version or transition to an alternative CMS solution; conduct file integrity audit on affected systems to detect unauthorized uploads.

Publiccms CVE-2025-65838

EUVD-2025-200088 HIGH

Path Traversal (CWE-22)

2025-12-01 cve@mitre.org

Path Traversal Publiccms

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-22 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V5 - File Handling Path canonicalization, traversal prevention MITRE ATT&CK 2 techniques across 2 tactics: Discovery, Collection 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	Sensitive files such as configuration files, credentials, or system files can be read, potentially leading to further compromise. With a CVSS score of 7.5 (HIGH), this represents a significant risk.
Exploit ScenarioDerived	An attacker modifies a file parameter to include directory traversal sequences (../../etc/passwd) to read arbitrary files from the server filesystem.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

PublicCMS V5.202506.b is vulnerable to path traversal via the doUploadSitefile method.

Earlier versions of this analysis (1)

v1 Mar 15, 2026 - 13:34 CVSS 7.5

RemediationAI

Validate and sanitize file path inputs. Use a whitelist of allowed files or directories. Implement chroot jails or containerization.

Affected VersionsENISA

n/a n/a

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

Path traversal allows an attacker to access files outside the intended directory by manipulating file paths with sequences like '../'.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

PoC Detected

Dec 04, 2025 - 18:09 vuln.today

Public exploit code

CVE Published

Dec 01, 2025 - 20:15 nvd

HIGH 7.5

Executive ViewAI

Why It Matters

PublicCMS V5.202506.b contains a critical path traversal vulnerability that allows attackers to upload files outside intended directories, potentially compromising system integrity and confidentiality. With public exploits available and no vendor patch currently released, this poses an immediate risk to any organization running this software version.

Business Impact: High

Compensating Controls

Implement Web Application Firewall rules to detect and block path traversal patterns (../, ..\) in file upload requests; restrict file upload feature to authenticated users only; apply least-privilege access controls to the application's file system permissions; monitor the doUploadSitefile method for suspicious activity; consider disabling the Sitefile upload feature entirely until a patch is available; isolate affected systems on a segmented network with restricted outbound access.

Threat Intelligence Overview

EPSS Score

0.1%

Top 78% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

EUVD

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 HIGH

CISA KEV No

Public POC Yes

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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.

SSVC AssessmentENISA

SSVC Decision· derived

Out-of-Cycle

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +38

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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References

Advisories & patches

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-65838 REF https://github.com/sanluan/PublicCMS

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GitHub PoC

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