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CVE-2022-24833— Persistent Cross-site Scripting (XSS) vulnerability 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是一个极简的开源在线粘贴箱。 PrivateBin 1.4.0之前版本存在跨站脚本漏洞，该漏洞源于SVG可以包含JavaScript。攻击者利用该漏洞执行代码。

CVSS 8.2 · High EPSS 1.36% · P71
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I. Basic Information for CVE-2022-24833

Vulnerability Information
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Vulnerability Title
Persistent Cross-site Scripting (XSS) vulnerability in PrivateBin
Source: CVE Program / CVE List V5
Vulnerability Description
PrivateBin is minimalist, open source online pastebin clone where the server has zero knowledge of pasted data. In PrivateBin < v1.4.0 a cross-site scripting (XSS) vulnerability was found. The vulnerability is present in all versions from v0.21 of the project, which was at the time still called ZeroBin. The issue is caused by the fact that SVGs can contain JavaScript. This can allow an attacker to execute code, if the user opens a paste with a specifically crafted SVG attachment, and interacts with the preview image and the instance isn't protected by an appropriate content security policy. Users are advised to either upgrade to version 1.4.0 or to ensure the content security policy of their instance is set correctly.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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是一个极简的开源在线粘贴箱。 PrivateBin 1.4.0之前版本存在跨站脚本漏洞，该漏洞源于SVG可以包含JavaScript。攻击者利用该漏洞执行代码。
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 >= v0.21, < v1.4.0 -

II. Public POCs for CVE-2022-24833

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III. Intelligence Information for CVE-2022-24833

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Patches & Fixes for CVE-2022-24833 (1)

Vendor Advisories for CVE-2022-24833 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2022-24833

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