CVE-2023-1720
Bitrix24 Stored Cross-Site Scripting (XSS) via File Upload
- State
- Published
- Severity
- 9.6 Critical
- Published
- Nov 1, 2023
- Updated
- Sep 5, 2024
- Reserved
- Mar 30, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.6 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | STAR_Labs |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
Bitrix24Bitrix24 |
|
References
- https://starlabs.sg/advisories/23/23-1720/third-party-advisory
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