CVE-2023-50883

MEDIUM EPSS 43.1%
Published Sep 9, 20241y ago · Modified Jun 17, 20261w ago
6.1 CVSS 3.1
Medium
Find Similar
Published Sep 9, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

ONLYOFFICE Docs before 8.0.1 allows XSS because a macro is an immediately-invoked function expression (IIFE), and therefore a sandbox escape is possible by directly calling the constructor of the Function object. NOTE: this issue exists because of an incorrect fix for CVE-2021-43446.

CVSS Details

Base Score
6.1
Exploitability
2.8
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
43.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
onlyofficedocument_server* <8.0.1

References 3

  • onlyoffice.com https://www.onlyoffice.com/
    Product
  • syss.de https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-027.txt
    ExploitThird Party Advisory
  • syss.de https://www.syss.de/pentest-blog/cross-site-scripting-schwachstelle-in-onlyoffice-docs-syss-2023-027
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.