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CVE-2021-22886

Quick assessment

Affected
n/a Rocket.Chat
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.

Rocket.Chat是一套开源的团队聊天软件。 Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 存在跨站脚本漏洞，该漏洞允许远程攻击者在消息中注入任意JavaScript。

AI Predicted 9.8 Difficulty: Easy EPSS 1.70% · P76
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I. Basic Information for CVE-2021-22886

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Rocket.Chat 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rocket.Chat是一套开源的团队聊天软件。 Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 存在跨站脚本漏洞，该漏洞允许远程攻击者在消息中注入任意JavaScript。
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
- Rocket.Chat Fixed in 3.11, 3.10.5, 3.9.7, 3.8.8 -

II. Public POCs for CVE-2021-22886

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III. Intelligence Information for CVE-2021-22886

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Patches & Fixes for CVE-2021-22886 (1)

Other References for CVE-2021-22886 (2)

Same Patch Batch · n/a · 2021-03-26 · 48 CVEs total

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CVE-2021-3027 LibrIT PaSSHport 注入漏洞
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CVE-2021-28246 Library 代码问题漏洞
CVE-2020-25840 Micro Focus Access Manager Appliance 跨站脚本漏洞
CVE-2021-22506 Micro Focus Access Manager Appliance 信息泄露漏洞
CVE-2020-19625 sheila1227 gridx 安全漏洞
CVE-2021-3109 Solarwinds Orion Platform 安全漏洞
CVE-2020-35856 Solarwinds Orion Platform 跨站脚本漏洞
CVE-2021-1626 MuleSoft Mule 安全漏洞
CVE-2021-1627 MuleSoft Mule 代码问题漏洞
CVE-2021-1628 MuleSoft Mule 代码问题漏洞
CVE-2021-1629 塔谱软件 Tableau Software Server 输入验证错误漏洞
CVE-2021-20289 Red Hat Resteasy 安全漏洞
CVE-2021-20285 Fedora 缓冲区错误漏洞

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Rocket.Chat
Same vendor: n/a
Same weakness: CWE-79

V. Comments for CVE-2021-22886

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