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I. Basic Information for CVE-2025-4839
Vulnerability Information

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Vulnerability Title
itwanger paicoding CrossUtil.java cross-domain policy
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /paicoding-core/src/main/java/com/github/paicoding/forum/core/util/CrossUtil.java. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
过度许可的跨域白名单
Source: NVD (National Vulnerability Database)
Vulnerability Title
paicoding 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
paicoding是itwanger个人开发者的一个开源社区系统。 paicoding 1.0.0版本、1.0.1版本、1.0.2版本和1.0.3版本存在安全漏洞,该漏洞源于对文件CrossUtil.java的错误操作导致跨域策略不当。
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
itwangerpaicoding 1.0.0 -
II. Public POCs for CVE-2025-4839
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III. Intelligence Information for CVE-2025-4839
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IV. Related Vulnerabilities
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