PoC Index85,092 CVEs with PoCs

CVE-2023-1720

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

HIGH 8.0EPSS 0.9%

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.

Affected
Bitrix24
CVSS v3.1 NVD
8.0 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v3.1 STARLABS
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
0.85% chance of exploitation in the next 30 days, 57th percentile
Published
2023-11-01
Updated
2024-09-05

Proof-of-concept exploits (1)

Security advisories

References