CVE-2022-21650

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Source
https://cve.org/CVERecord?id=CVE-2022-21650
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21650.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-21650
Aliases
  • GHSA-mm2v-4v7g-m695
Published
2022-01-04T20:40:14Z
Modified
2026-10-21T02:31:11Z
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 html file upload in convos
Details

Convos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. 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-2022-21650.json"
}
References

Affected packages

Git / github.com/convos-chat/convos

Affected ranges

Type
GIT
Repo
https://github.com/convos-chat/convos
Events
Introduced
ac6561598373139c127d32bd7399a524ef17a76f
Fixed
794ab7d2273327829230bfa96b5b3126b0547bb1
Fixed
5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:convos:convos:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "6.48"
                },
                {
                    "fixed":  "6.52"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

v6.*
v6.48
v6.49
v6.50
v6.51

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21650.json"