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I. Basic Information for CVE-2025-27792
Vulnerability Information

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Vulnerability Title
Opal vulnerable to CSRF protection bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
Opal is OBiBa’s core database application for biobanks or epidemiological studies. Prior to version 5.1.1, the protections against cross-site request forgery (CSRF) were insufficient application-wide. The referrer header is checked, and if it is invalid, the server returns 403. However, the referrer header can be dropped from CSRF requests using `<meta name="referrer" content="never">`, effectively bypassing this protection. Version 5.1.1 contains a patch for the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Opal 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Opal是Open Source Software for Epidemiology开源的一个用于生物库或流行病学研究的核心数据库应用程序。 Opal 5.1.1之前版本存在跨站请求伪造漏洞,该漏洞源于跨站请求伪造防护不足,攻击者可以通过删除referrer头绕过防护。
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
obibaopal < 5.1.1 -
II. Public POCs for CVE-2025-27792
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III. Intelligence Information for CVE-2025-27792
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