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CVE-2022-24762— Exposure of Sensitive Information to an Unauthorized Actor in sysend.js

Quick assessment

Affected
jcubic sysend.js
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.

sysend.js是波兰Jakub T. Jankiewicz个人开发者的一个小型库。用于 Web 应用程序同步。 sysend.js 存在访问控制错误漏洞，该漏洞源于使用跨域通信的用户可能会被攻击者截获他们的通信。

CVSS 6.5 · Medium EPSS 0.68% · P51
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I. Basic Information for CVE-2022-24762

Vulnerability Information
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Vulnerability Title
Exposure of Sensitive Information to an Unauthorized Actor in sysend.js
Source: CVE Program / CVE List V5
Vulnerability Description
sysend.js is a library that allows a user to send messages between pages that are open in the same browser. Users that use cross-origin communication may have their communications intercepted. Impact is limited by the communication occurring in the same browser. This issue has been patched in sysend.js version 1.10.0. The only currently known workaround is to avoid sending communications that a user does not want to have intercepted via sysend messages.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
sysend.js 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sysend.js是波兰Jakub T. Jankiewicz个人开发者的一个小型库。用于 Web 应用程序同步。 sysend.js 存在访问控制错误漏洞，该漏洞源于使用跨域通信的用户可能会被攻击者截获他们的通信。
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
jcubic sysend.js < 1.10.0 -

II. Public POCs for CVE-2022-24762

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III. Intelligence Information for CVE-2022-24762

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Patches & Fixes for CVE-2022-24762 (1)

Vendor Advisories for CVE-2022-24762 (1)

Other References for CVE-2022-24762 (2)

IV. Related Vulnerabilities

Same vendor: jcubic
Same weakness: CWE-200

V. Comments for CVE-2022-24762

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