6.1
MEDIUM
CVE-2023-50883
ONLYOFFICE Docs Sandbox Escape Vulnerability
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.

INFO

Published Date :

Sept. 9, 2024, 8:15 p.m.

Last Modified :

Sept. 20, 2024, 3:18 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-50883 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Onlyoffice document_server
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-50883.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-50883 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-50883 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Sep. 20, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://www.onlyoffice.com/ No Types Assigned https://www.onlyoffice.com/ Product
    Changed Reference Type https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-027.txt No Types Assigned https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-027.txt Exploit, Third Party Advisory
    Changed Reference Type https://www.syss.de/pentest-blog/cross-site-scripting-schwachstelle-in-onlyoffice-docs-syss-2023-027 No Types Assigned https://www.syss.de/pentest-blog/cross-site-scripting-schwachstelle-in-onlyoffice-docs-syss-2023-027 Third Party Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:* versions up to (excluding) 8.0.1
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 10, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-79
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • CVE Received by [email protected]

    Sep. 09, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference MITRE https://www.onlyoffice.com/ [No types assigned]
    Added Reference MITRE https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-027.txt [No types assigned]
    Added Reference MITRE https://www.syss.de/pentest-blog/cross-site-scripting-schwachstelle-in-onlyoffice-docs-syss-2023-027 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-50883 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-50883 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability