Exploit for Improper Access Control in Widgetfactorylimited Jce CVE-2026-48907

## https://sploitus.com/exploit?id=65F73DD7-40DF-5117-8110-BB18FDB3BD7C
# CVE-2026-48907 – Joomla JCE Unauthenticated Remote Code Execution (RCE)

> **Severity:** Critical (CVSS 9.8 / CVSS v4 10.0)  
> **CVE:** CVE-2026-48907  
> **CWE:** CWE-284 – Improper Access Control  
> **Affected Software:** Joomla Content Editor (JCE) Extension for Joomla  
> **Status:** Publicly disclosed and actively exploited in the wild.

---

**CVE-2026-48907** is a **critical unauthenticated Remote Code Execution (RCE)** vulnerability affecting the **Joomla Content Editor (JCE)** extension.

The vulnerability stems from **improper access control** within JCE's profile management functionality. An attacker can create malicious editor profiles **without authentication**, eventually enabling arbitrary **PHP file upload** and execution on the target server.

Successful exploitation allows complete compromise of the Joomla installation.

---

# Vulnerability Details

| Property | Value |
|----------|-------|
| CVE | CVE-2026-48907 |
| Severity | Critical |
| CWE | CWE-284 |
| Attack Vector | Network |
| Authentication Required | No |
| User Interaction | None |
| Impact | Remote Code Execution |
| Exploit Complexity | Low |
| Privileges Required | None |

Affected versions:

```text
JCE 1.0.0
through
JCE 2.9.99.4
```

Patched beginning with:

```text
2.9.99.5
```

Additional hardening was introduced in later releases.

---

# Root Cause

The vulnerability exists because the JCE extension fails to properly enforce authorization checks on profile management functionality.

## Expected Flow

```text
Administrator
      │
      ▼
Create Editor Profile
      │
      ▼
Upload Content
```

## Vulnerable Flow

```text
Unauthenticated User
        │
        ▼
Create Editor Profile
        │
        ▼
Gain Upload Permissions
        │
        ▼
Upload PHP Payload
        │
        ▼
Execute PHP
        │
        ▼
Remote Code Execution
```

The missing authorization validation effectively allows anonymous users to influence security-sensitive configuration.

---

# Impact

Successful exploitation may allow an attacker to:

- Execute arbitrary PHP code
- Obtain complete control of the Joomla website
- Install webshells
- Steal sensitive information
- Modify website content
- Deploy malware
- Install ransomware
- Pivot into internal infrastructure

Because exploitation requires **no authentication**, this vulnerability is considered extremely dangerous.

---

# Attack Flow

```text
Internet
    │
    ▼
Unauthenticated Request
    │
    ▼
Create Malicious JCE Profile
    │
    ▼
Profile Allows PHP Upload
    │
    ▼
Upload PHP File
    │
    ▼
Request Uploaded File
    │
    ▼
PHP Executes
    │
    ▼
Remote Code Execution
```

### Interpretation

- Network exploitable
- No authentication required
- Low attack complexity
- No user interaction
- Complete confidentiality impact
- Complete integrity impact
- Complete availability impact

---

# Indicators of Compromise (IOCs)

Administrators should investigate for:

- Unexpected JCE editor profiles
- Newly uploaded `.php`, `.phtml`, or `.phar` files
- Suspicious requests targeting `com_jce`
- Unknown administrator accounts
- Unexpected outbound connections
- Suspicious scheduled tasks or persistence mechanisms

---

# Detection Ideas

Potential detection methods include:

- File Integrity Monitoring (FIM)
- Web server log analysis
- Detection of PHP execution from upload directories
- Monitoring JCE profile modifications
- SIEM alerts for unusual POST requests to JCE

---

# Mitigation

Recommended actions:

- Update JCE to **2.9.99.5 or newer**
- Remove unauthorized editor profiles
- Audit upload directories
- Disable PHP execution within upload directories
- Rotate credentials if compromise is suspected
- Review logs for exploitation attempts
- Restore from known-good backups if necessary

---

# Affected Versions

| Version | Status |
|---------|--------|
| 1.x | Vulnerable |
| 2.x ≤ 2.9.99.4 | Vulnerable |
| ≥ 2.9.99.5 | Patched |

---

# Timeline

| Date | Event |
|------|-------|
| 2026-06-05 | CVE published |
| 2026-06-12 | Vendor advisory released |
| 2026-06-16 | Active exploitation confirmed |
| 2026-06-17 | NVD updated |

---

# References

- NIST National Vulnerability Database (NVD)
- CVE Program (MITRE)
- Joomla Security Advisory
- CISA Known Exploited Vulnerabilities (KEV)
- SentinelOne Technical Analysis

---

# Disclaimer

This repository is intended **solely for educational, defensive, and research purposes**.