CVE-2023-1720

Bitrix24 Stored Cross-Site Scripting (XSS) via File Upload

Published Nov 1, 2023 CVSS 3.1 · 9.6 Critical EPSS 1.1% KEV · Not listed
Description
Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via uploading a crafted HTML file through /desktop_app/file.ajax.php?action=uploadfile.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-23943 Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via uploading a crafted HTML file through /desktop_app/file.ajax.php?action=uploadfile.
References
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
STAR_Labs
Published
Updated
Sep 5, 2024, 7:41 PM
Reserved
Mar 30, 2023, 9:19 AM
Status
Modified
Published
Nov 1, 2023, 10:15 AM
Modified
Jun 17, 2026, 5:28 AM