CVE-2021-43446

ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Cross Site Scripting (XSS). The "macros" feature of the document editor allows malicious cross site scripting payloads to be used.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/ONLYOFFICE/server	Third Party Advisory
https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/	Exploit Mitigation Third Party Advisory
https://onlyoffice.com/	Product Vendor Advisory
https://github.com/ONLYOFFICE/server	Third Party Advisory
https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/	Exploit Mitigation Third Party Advisory
https://onlyoffice.com/	Product Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:onlyoffice:server:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:29

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-01-23 15:15

Updated : 2025-04-02 16:15

NVD link : CVE-2021-43446

Mitre link : CVE-2021-43446

CVE.ORG link : CVE-2021-43446

JSON object : View

Products Affected

onlyoffice

server

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2021-43446", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2023-01-23T15:15:13.340", "references": [{"url": "https://github.com/ONLYOFFICE/server", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://onlyoffice.com/", "tags": ["Product", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/ONLYOFFICE/server", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://onlyoffice.com/", "tags": ["Product", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Cross Site Scripting (XSS). The \"macros\" feature of the document editor allows malicious cross site scripting payloads to be used."}, {"lang": "es", "value": "Todas las versiones de ONLYOFFICE con fecha posterior al 08/11/2021 son vulnerables a Cross Site Scripting (XSS). La funci\u00f3n \"macros\" del editor de documentos permite realizar cross site scripting."}], "lastModified": "2025-04-02T16:15:18.990", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:onlyoffice:server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F20D43B1-2433-412A-8D51-7D04C974D445", "versionEndIncluding": "7.0.0.49"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}