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CVE-2025-27889

Quick assessment

Affected
wftpserver Wing FTP Server
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.

Wing FTP Server是Wing FTP Server开源的一套跨平台的FTP服务器软件。 Wing FTP Server 7.4.4之前版本存在安全漏洞，该漏洞源于未正确验证和清理downloadpass.html端点的url参数，可能导致明文密码泄露。

CVSS 3.4 · Low EPSS 0.50% · P41
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I. Basic Information for CVE-2025-27889

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of the downloadpass.html endpoint, allowing injection of an arbitrary link. If a user clicks a crafted link, this discloses a cleartext password to the attacker.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
系统设置或配置在外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
多款产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wing FTP Server是Wing FTP Server开源的一套跨平台的FTP服务器软件。 Wing FTP Server 7.4.4之前版本存在安全漏洞，该漏洞源于未正确验证和清理downloadpass.html端点的url参数，可能导致明文密码泄露。
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
wftpserver Wing FTP Server 0 ~ 7.4.4 -

II. Public POCs for CVE-2025-27889

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III. Intelligence Information for CVE-2025-27889

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Security Blog Posts for CVE-2025-27889 (1)

Same Patch Batch · wftpserver · 2025-07-10 · 4 CVEs total

CVE-2025-47812 10.0 CRITICAL Wing FTP Server 7.4.3及 安全漏洞
CVE-2025-47813 4.3 MEDIUM Wing FTP Server 安全漏洞
CVE-2025-47811 4.1 MEDIUM Wing FTP Server 安全漏洞

IV. Related Vulnerabilities

Same product: Wing FTP Server
Same vendor: wftpserver
Same weakness: CWE-15

V. Comments for CVE-2025-27889

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