ONLYOFFICE Docs vulnerable to XSS due to incorrect fix for CVE-2021-43446
CVE-2023-50883

6.1MEDIUM

Key Information:

Vendor

ONLYOFFICE

Status
Document Server
Vendor
CVE Published:
9 September 2024

What is CVE-2023-50883?

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.

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References

https://www.onlyoffice.com/
https://www.syss.de/fileadmin/dokumente/Publikationen/Adv...
https://www.syss.de/pentest-blog/cross-site-scripting-sch...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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