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CVE-2025-5877— Fengoffice Feng Office Document Upload ApplicationDataObject.class.php xml external entity reference

Quick assessment

Affected
Fengoffice Feng Office
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Feng Office（前称OpenGoo）是Feng Office团队的一套开源的网上办公系统。该系统提供任务管理、日程管理、文件管理以及Email收发等功能。 Feng Office 3.2.2.1版本存在代码问题漏洞，该漏洞源于对文件/application/models/ApplicationDataObject.class.php的错误操作导致XML外部实体引用。

CVSS 6.3 · Medium EPSS 0.36% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-5877

Vulnerability Information
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Vulnerability Title
Fengoffice Feng Office Document Upload ApplicationDataObject.class.php xml external entity reference
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as problematic, has been found in Fengoffice Feng Office 3.2.2.1. Affected by this issue is some unknown functionality of the file /application/models/ApplicationDataObject.class.php of the component Document Upload Handler. The manipulation leads to xml external entity reference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Feng Office 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Feng Office（前称OpenGoo）是Feng Office团队的一套开源的网上办公系统。该系统提供任务管理、日程管理、文件管理以及Email收发等功能。 Feng Office 3.2.2.1版本存在代码问题漏洞，该漏洞源于对文件/application/models/ApplicationDataObject.class.php的错误操作导致XML外部实体引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fengoffice Feng Office 3.2.2.1 -

II. Public POCs for CVE-2025-5877

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III. Intelligence Information for CVE-2025-5877

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Proof of Concept for CVE-2025-5877 (1)

IV. Related Vulnerabilities

Same product: Feng Office
Same vendor: Fengoffice
Same weakness: CWE-611

V. Comments for CVE-2025-5877

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