CVE-2022-36057— Discourse-Chat Cross-Site Scripting issue for channel names and descriptions
Quick assessment
Affected
discourse discourse-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.
Discourse-Chat是Discourse开源的一个免费的开源互联网论坛软件聊天插件。 Discourse-Chat 0.9之前版本存在安全漏洞，该漏洞源于会受到管理员用户在聊天标题和描述中插入 HTML 的影响，从而导致跨站脚本 (XSS) 攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2022-36057
Vulnerability Information
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Vulnerability Title
Discourse-Chat Cross-Site Scripting issue for channel names and descriptions
Source: CVE Program / CVE List V5
Vulnerability Description
Discourse-Chat is an asynchronous messaging plugin for the Discourse open-source discussion platform. Users of Discourse Chat can be affected by admin users inserting HTML into chat titles and descriptions, causing a Cross-Site Scripting (XSS) attack. Version 0.9 contains a patch for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Discourse-Chat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Discourse-Chat是Discourse开源的一个免费的开源互联网论坛软件聊天插件。 Discourse-Chat 0.9之前版本存在安全漏洞，该漏洞源于会受到管理员用户在聊天标题和描述中插入 HTML 的影响，从而导致跨站脚本 (XSS) 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 |
|---|---|---|---|---|
| discourse | discourse-chat | < 0.9 | - |
|
II. Public POCs for CVE-2022-36057
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-36057 (1)
-
https://github.com/discourse/discourse-chat/pull/1205 x_refsource_MISC
Vendor Advisories for CVE-2022-36057 (1)
IV. Related Vulnerabilities
Same vendor: discourse
-
CVE-2026-53960
Discourse: Hidden first-post excerpt is emitted in Q&A schem -
CVE-2026-55704
Discourse: Shared-draft titles and excerpts leak through gro -
CVE-2026-55674
Discourse: Cache poisoning/XSS via color scheme cookies -
CVE-2026-59829
Discourse: Review queue exposes flag-related private message -
CVE-2026-72732
Discourse: Templates endpoint exposes hidden tag names
Same weakness: CWE-80
-
CVE-2026-5218
HTML Injection in Softtr's E-Commerce Pack -
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justhtml before 1.13.0 XSS via code fence breakout -
CVE-2026-35163
OctoPrint: XSS in Suppressed Command Notifications -
CVE-2026-73220
CVAT: Stored XSS via annotation guides in audio tasks -
CVE-2026-20232
Cisco Industrial Ethernet 1000 Series Switches Stored Cross-
V. Comments for CVE-2022-36057
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