HIGH CVSS 8.2
Published: 2025-09-29

CVE-2025-43813

liferay digital_experience_platform Security Advisory (CVE-2025-43813)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-43813 impacting liferay digital_experience_platform. Evaluated with CVSS Base Score of 8.2 (HIGH).

Original NVD Description

Source: NIST NVD
Possible path traversal vulnerability and denial-of-service in the ComboServlet in Liferay Portal 7.4.0 through 7.4.3.107, and older unsupported versions, and Liferay DXP 2023.Q4.0 through 2023.Q4.4, 2023.Q3.1 through 2023.Q3.8, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions allows remote attackers to access arbitrary CSS and JSS files and load the files multiple times via the query string in a URL.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
Low (C:L)
Partial information leakage
Integrity
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product liferay / digital_experience_platform
Affected Versions *
Weakness Enumeration CWE-22

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2025-43813 impacting liferay digital_experience_platform.

⚡ Nuclei Detection Template (YAML) cve-2025-43813.yaml
id: cve-2025-43813

info:
  name: liferay digital_experience_platform - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2025-43813 affecting liferay digital_experience_platform.
    Evaluation: Possible path traversal vulnerability and denial-of-service in the ComboServlet in Liferay Portal 7.4.0 through 7.4.3.107, and older unsupported versi...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-43813
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
    cvss-score: 8.2
    cve-id: CVE-2025-43813
    cwe-id: CWE-22
  tags: cve,cve-2025-43813,liferay,digital_experience_platfo,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "digital_experience_platform"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-43813.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-43813
# Target: liferay digital_experience_platform | CVSS: 8.2 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-43813 (liferay digital_experience_platform)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against liferay digital_experience_platform scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2025-43813.sh
# Recommended Remediation & Patching Commands for CVE-2025-43813
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install digital_experience_platfo 2>/dev/null || \
sudo dnf upgrade digital_experience_platfo 2>/dev/null || \
sudo yum update digital_experience_platfo

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i digital_experience_platfo 2>/dev/null || rpm -qa | grep -i digital_experience_platfo

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-43813 in liferay digital_experience_platform?

Review vendor-specific security notices and update liferay digital_experience_platform packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2025-43813?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2025-43813?

CVE-2025-43813 is classified with a CVSS 3.1 Base Score of 8.2 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.2
HIGH SEVERITY
CVE ID CVE-2025-43813
Weakness CWE-22
Vendor liferay
Product digital_experience_platform
Published 2025-09-29
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H