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CVE-2020-5223— Persistent XSS vulnerability in filename of attached file in PrivateBin

Quick assessment

Affected
PrivateBin PrivateBin
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.

PrivateBin 1.2.2之前的1.2.0版本和1.3.2之前的1.3.0版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞进行HTML注入。

CVSS 6.1 · Medium EPSS 0.66% · P49
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I. Basic Information for CVE-2020-5223

Vulnerability Information
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Vulnerability Title
Persistent XSS vulnerability in filename of attached file in PrivateBin
Source: CVE Program / CVE List V5
Vulnerability Description
In PrivateBin versions 1.2.0 before 1.2.2, and 1.3.0 before 1.3.2, a persistent XSS attack is possible. Under certain conditions, a user provided attachment file name can inject HTML leading to a persistent Cross-site scripting (XSS) vulnerability. The vulnerability has been fixed in PrivateBin v1.3.2 & v1.2.2. Admins are urged to upgrade to these versions to protect the affected users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A: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
PrivateBin 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PrivateBin 1.2.2之前的1.2.0版本和1.3.2之前的1.3.0版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞进行HTML注入。
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
PrivateBin PrivateBin >= 1.2.0, < 1.2.2 -

II. Public POCs for CVE-2020-5223

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III. Intelligence Information for CVE-2020-5223

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Patches & Fixes for CVE-2020-5223 (1)

Vendor Advisories for CVE-2020-5223 (1)

Other References for CVE-2020-5223 (2)

IV. Related Vulnerabilities

Same product: PrivateBin
Same vendor: PrivateBin
Same weakness: CWE-79

V. Comments for CVE-2020-5223

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