CVE-2025-49113 PoC — Roundcube Webmail 安全漏洞

Source

https://github.com/Zwique/CVE-2025-49113

Associated Vulnerability

Title: Roundcube Webmail 安全漏洞 (CVE-2025-49113)
Description:Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

Description

POC of CVE-2025-49113

Readme

# CVE-2025-49113 – Roundcube Remote Code Execution (RCE) PoC

This repository contains a **Proof-of-Concept (PoC)** exploit for **CVE-2025-49113**, a critical remote code execution vulnerability in Roundcube Webmail versions prior to 1.5.10 and 1.6.11. The vulnerability arises from insecure PHP object deserialization in the `upload.php` script, allowing authenticated users to execute arbitrary code on the server.

> ⚠️ **Disclaimer:** This PoC is intended for **educational purposes only**. **Do not** use this exploit against systems you do not own or have explicit permission to test. Unauthorized use may be illegal.

---

## Vulnerability Overview

- **CVE ID:** CVE-2025-49113
- **CVSS v3.1 Base Score:** 9.9 (Critical)
- **Affected Versions:**
  - Roundcube 1.5.0 through 1.5.9
  - Roundcube 1.6.0 through 1.6.10
- **Vulnerability Type:** Remote Code Execution via insecure PHP object deserialization
- **Impact:** Allows authenticated users to execute arbitrary code on the server

For detailed information, refer to the [NVD CVE-2025-49113 entry](https://nvd.nist.gov/vuln/detail/CVE-2025-49113).

---

## PoC Script: `exp.py`

The `exp.py` script demonstrates the exploitation of this vulnerability. It sends a crafted request to the vulnerable `upload.php` endpoint, triggering the deserialization flaw and executing a specified command on the server.

### Requirements

`pip -r install requirements.txt`

### Usage

```bash
python3 exp.py <target_url> <username> <password> <command>
```
### Example

```
python3 exp.py http://mail.website.com admin password "id"
```
<img width="784" height="232" alt="Screenshot 2025-08-24 at 20 53 50" src="https://github.com/user-attachments/assets/ad51a14b-b052-4a63-bc77-2e22cb37830e" />
<img width="793" height="469" alt="Screenshot 2025-08-24 at 20 53 31" src="https://github.com/user-attachments/assets/be9e8445-abd9-4329-9a2c-50271b6fa5ec" />

# References

- https://nvd.nist.gov/vuln/detail/CVE-2025-49113
- https://github.com/hakaioffsec/CVE-2025-49113-exploit
- https://github.com/fearsoff-org/CVE-2025-49113

File Snapshot

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