CVE-2021-3780— Cross-site Scripting (XSS) - Stored in chocobozzz/peertube
Quick assessment
Affected
chocobozzz chocobozzz/peertube
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.
PeerTube是一个去中心化的视频分享服务平台。用于制作视频项目。 peertube 存在跨站脚本漏洞，该漏洞源于程序在网页生成过程中容易受到不正确的输入和跨站脚本影响。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-3780
Vulnerability Information
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Vulnerability Title
Cross-site Scripting (XSS) - Stored in chocobozzz/peertube
Source: CVE Program / CVE List V5
Vulnerability Description
peertube is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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
PeerTube 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PeerTube是一个去中心化的视频分享服务平台。用于制作视频项目。 peertube 存在跨站脚本漏洞，该漏洞源于程序在网页生成过程中容易受到不正确的输入和跨站脚本影响。
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 |
|---|---|---|---|---|
| chocobozzz | chocobozzz/peertube | unspecified ~ 3.4.0 | - |
|
II. Public POCs for CVE-2021-3780
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2021-3780 (1)
Vendor Advisories for CVE-2021-3780 (1)
-
https://huntr.dev/bounties/282807a8-4bf5-4fe2-af62-e05f945b3d65 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: chocobozzz/peertube
-
CVE-2022-0881
Insecure Storage of Sensitive Information in chocobozzz/peer -
CVE-2022-0727
Improper Access Control in chocobozzz/peertube -
CVE-2022-0726
Missing Authorization in chocobozzz/peertube -
CVE-2022-0508
Server-Side Request Forgery (SSRF) in chocobozzz/peertube -
CVE-2022-0170
Improper Access Control in chocobozzz/peertube
Same vendor: chocobozzz
-
CVE-2026-73211
PeerTube: Unauthenticated remote SQL injection in ActorFollo -
CVE-2026-73090
PeerTube: Cross-origin remote video takeover via Update acti -
CVE-2026-57167
PeerTube: Improper Neutralization of Script-Related HTML Tag -
CVE-2022-0881
Insecure Storage of Sensitive Information in chocobozzz/peer -
CVE-2022-0727
Improper Access Control in chocobozzz/peertube
Same weakness: CWE-79
-
CVE-2026-107303
JHipster: Generated Applications Allow Stored XSS via Unrest -
CVE-2026-104078
Obsidian Desktop < 1.14.0 RCE via MathJax Safe Filter Bypass -
CVE-2026-104077
Obsidian Desktop < 1.14.0 RCE via Slides Plugin Markdown -
CVE-2026-105831
EspoCRM before 10.0.6 Unauthenticated Stored HTML Injection -
CVE-2026-13258
IBM DataPower Gateway Cross-Site Scripting
V. Comments for CVE-2021-3780
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