CVE-2022-21649

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Source
https://cve.org/CVERecord?id=CVE-2022-21649
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21649.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-21649
Aliases
  • GHSA-xmpj-xwm3-vww7
Published
2022-01-04T20:40:20Z
Modified
2026-08-12T03:51:38.437289135Z
Severity
  • 7.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N CVSS Calculator
Summary
Stored XSS via attribute in convos
Details

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.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21649.json"
}
References

Affected packages

Git / github.com/convos-chat/convos

Affected ranges

Type
GIT
Repo
https://github.com/convos-chat/convos
Events
Introduced
02ed03da300bcc1c2a3fea6941b5952c666d8deb
Fixed
794ab7d2273327829230bfa96b5b3126b0547bb1
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "6.49"
        },
        {
            "fixed": "6.52"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

v6.*
v6.49
v6.50
v6.51

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21649.json"