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I. Basic Information for CVE-2026-2557
Vulnerability Information

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Vulnerability Title
cskefu File Upload MediaController.java upload cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in cskefu up to 8.0.1. Impacted is the function Upload of the file com/cskefu/cc/controller/resource/MediaController.java of the component File Upload. The manipulation results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
cskefu(春松客服) 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cskefu(春松客服)是中国Chatopera开源的一种开源、免费的智能客服系统。 cskefu(春松客服)8.0.1及之前版本存在跨站脚本漏洞,该漏洞源于文件com/cskefu/cc/controller/resource/MediaController.java中组件File Upload的函数Upload存在跨站脚本问题,可能导致远程攻击。
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
VendorProductAffected VersionsCPESubscribe
-cskefu 8.0.0 cpe:2.3:a:cskefu:cskefu:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-2557
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III. Intelligence Information for CVE-2026-2557
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IV. Related Vulnerabilities
V. Comments for CVE-2026-2557

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