CVE-2023-1720

Summary

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 Software

VendorProductVersion RangeStatus
Bitrix24Bitrix240 <= 22.0.300affected

Weaknesses

  • CWE-434: CWE-434 Unrestricted Upload of File with Dangerous Type

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: total

References