bayu06802/CVE-2026-48907

GitHubRepository PoCExploit

PoC files

2 files

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GitHub
Analysisdeepseek-v4-pro:cloud ·

Technical assessment

Python script that exploits CVE-2026-48907 in JCE Joomla extension to achieve unauthenticated remote code execution by importing a malicious editor profile and uploading a PHP webshell.

Backdoor review

No backdoor observed in reviewed code

The supplied PoC script (CVE-2026-48907.py) is a straightforward scanner/exploit for the described JCE Joomla vulnerability. It performs JCE detection, CSRF token extraction, profile import to enable uploads, and uploads a simple PHP webshell. All behavior is consistent with the stated CVE-2026-48907 exploit. No concealed, deceptive, or unrelated harmful actions were observed.

ClassificationExploit
Model confidence98%
AuthenticationNot required
Languagespython
Target softwareJoomla Content Editor (JCE) extension for Joomla
Attack typesremote code executioncode injectionwebshell upload
Evidence & reasoningClassification basis · observed behavior · safety review
Technical evidence

Classification basis and observed behavior

Classification basis

The script actively exploits the vulnerability by importing a malicious profile and uploading a PHP webshell to achieve remote code execution, not merely detecting the vulnerability.

CVE-2026-48907.py:105-141CVE-2026-48907.py:143-153

Requirements

  • Target must have vulnerable JCE extension installed and accessible.CVE-2026-48907.py:36-40
  • Target must expose a CSRF token in the page source.CVE-2026-48907.py:95-103

Observed behavior

  • Checks for JCE extension presence by requesting known JCE files.CVE-2026-48907.py:88-93
  • Extracts CSRF token from the target's homepage.CVE-2026-48907.py:95-103
  • Imports a crafted XML profile that enables file upload with PHP extension and disables MIME type validation.CVE-2026-48907.py:105-123
  • Uploads a PHP webshell (multiple payload variants) to the /images/ directory.CVE-2026-48907.py:125-141
  • Verifies code execution by requesting the uploaded webshell with a test command and saves the shell URL on success.CVE-2026-48907.py:137-140CVE-2026-48907.py:53-58
Safety-review evidence

Behaviors behind the backdoor verdict

Observables

Webshell Upload
PHP_PAYLOADS list containing basic command execution shellsThe script uploads a PHP file that executes commands via the 'x' GET parameter. This is the expected outcome of the described RCE vulnerability.CVE-2026-48907.py:43-47CVE-2026-48907.py:125-141
Output File
webshell.txtThe script saves confirmed shell URLs to a local file. This is standard PoC behavior for recording successful exploitation results.CVE-2026-48907.py:30CVE-2026-48907.py:53-58
Review boundaries

What the analysis did not establish

  • Only one text file (CVE-2026-48907.py) was provided; one additional file (likely README.md) was omitted.
  • The evidence packet reports complete_artifact_coverage as false, so the full repository content is not available.
  • The script's actual execution or effectiveness was not tested; analysis is based solely on static code review.
  • One additional file in the repository (unclassified, 2612 bytes) was not provided as text and was not analyzed. Its content is unknown.
  • The review is limited to static analysis of the supplied text; no dynamic execution was performed.
Model interpretation

This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.

Linked vulnerabilities

1