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CVE-2025-1987— Stored XSS in Psono-Client via Malicious Vault Entry URLs

Quick assessment

Affected
Psono Psono-client
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.

PSONO Client是psono个人开发者的一个PSONO客户端。 PSONO Client存在跨站脚本漏洞，该漏洞源于未正确清理URL字段，可能导致跨站脚本攻击。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.48% · P40

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2025-1987

Vulnerability Information
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Vulnerability Title
Stored XSS in Psono-Client via Malicious Vault Entry URLs
Source: CVE Program / CVE List V5
Vulnerability Description
A Cross-Site Scripting (XSS) vulnerability has been identified in Psono-Client’s handling of vault entries of type website_password and bookmark, as used in Bitdefender SecurePass. The client does not properly sanitize the URL field in these entries. As a result, an attacker can craft a malicious vault entry (or trick a user into creating or importing one) with a javascript:URL. When the user interacts with this entry (for example, by clicking or opening it), the application will execute the malicious JavaScript in the context of the Psono vault. This allows an attacker to run arbitrary code in the victim’s browser, potentially giving them access to the user’s password vault and sensitive data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
PSONO Client 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PSONO Client是psono个人开发者的一个PSONO客户端。 PSONO Client存在跨站脚本漏洞，该漏洞源于未正确清理URL字段，可能导致跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
Psono Psono-client 0 ~ 4.0.4 -
Bitdefender SecurePass 0 ~ 0.0.76 -

II. Public POCs for CVE-2025-1987

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III. Intelligence Information for CVE-2025-1987

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IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2025-1987

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