Medium severity · published Sep 9, 2024
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…
6.1
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DS
Document Server · Onlyoffice
before 8.0.1 · source: NVD
DO
Docs · Onlyoffice
before 8.0.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-50883
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-50883
Product
https://www.onlyoffice.com/
Exploit
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-027.txt
Third Party Advisory
https://www.syss.de/pentest-blog/cross-site-scripting-schwachstelle-in-onlyoffice-docs-syss-2023-027
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