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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-21649 Detail

Description

Convos is an open source multi-user chat that runs in a web browser. Characters starting with "https://" in the chat window create an <a> tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for "<" or ">" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability Broken Link  Third Party Advisory 
https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability Broken Link  Third Party Advisory 
https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c Patch  Third Party Advisory 
https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c Patch  Third Party Advisory 
https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7 Patch  Third Party Advisory 
https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7 Patch  Third Party Advisory 
https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/ Exploit  Patch  Third Party Advisory 
https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/ Exploit  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') cwe source acceptance level NIST   GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-21649
NVD Published Date:
01/04/2022
NVD Last Modified:
11/21/2024
Source:
GitHub, Inc.