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Vulnerability Details :

CVE-2023-23942

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-06 Feb, 2023 | 20:23
Updated At-10 Mar, 2025 | 21:15
Rejected At-
Credits

Self reflected HTML injection in Desktop client

The Nextcloud Desktop Client is a tool to synchronize files from a Nextcloud Server with your computer. Versions prior to 3.6.3 are missing sanitisation on qml labels which are used for basic HTML elements such as `strong`, `em` and `head` lines in the UI of the desktop client. The lack of sanitisation may allow for javascript injection. It is recommended that the Nextcloud Desktop Client is upgraded to 3.6.3. There are no known workarounds for this issue.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:06 Feb, 2023 | 20:23
Updated At:10 Mar, 2025 | 21:15
Rejected At:
▼CVE Numbering Authority (CNA)
Self reflected HTML injection in Desktop client

The Nextcloud Desktop Client is a tool to synchronize files from a Nextcloud Server with your computer. Versions prior to 3.6.3 are missing sanitisation on qml labels which are used for basic HTML elements such as `strong`, `em` and `head` lines in the UI of the desktop client. The lack of sanitisation may allow for javascript injection. It is recommended that the Nextcloud Desktop Client is upgraded to 3.6.3. There are no known workarounds for this issue.

Affected Products
Vendor
Nextcloud GmbHnextcloud
Product
security-advisories
Versions
Affected
  • < 3.6.3
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
3.15.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-64qc-vf6v-8xgg
x_refsource_CONFIRM
https://github.com/nextcloud/desktop/pull/5233
x_refsource_MISC
https://hackerone.com/reports/1788598
x_refsource_MISC
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-64qc-vf6v-8xgg
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/nextcloud/desktop/pull/5233
Resource:
x_refsource_MISC
Hyperlink: https://hackerone.com/reports/1788598
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-64qc-vf6v-8xgg
x_refsource_CONFIRM
x_transferred
https://github.com/nextcloud/desktop/pull/5233
x_refsource_MISC
x_transferred
https://hackerone.com/reports/1788598
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-64qc-vf6v-8xgg
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/nextcloud/desktop/pull/5233
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://hackerone.com/reports/1788598
Resource:
x_refsource_MISC
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:06 Feb, 2023 | 21:15
Updated At:15 Feb, 2023 | 02:02

The Nextcloud Desktop Client is a tool to synchronize files from a Nextcloud Server with your computer. Versions prior to 3.6.3 are missing sanitisation on qml labels which are used for basic HTML elements such as `strong`, `em` and `head` lines in the UI of the desktop client. The lack of sanitisation may allow for javascript injection. It is recommended that the Nextcloud Desktop Client is upgraded to 3.6.3. There are no known workarounds for this issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.1MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Secondary3.15.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Type: Primary
Version: 3.1
Base score: 6.1
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CPE Matches
Nextcloud GmbH
nextcloud
>>desktop>>Versions before 3.6.3(exclusive)
cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-79Primarynvd@nist.gov
CWE-79Secondarysecurity-advisories@github.com
CWE ID: CWE-79
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-79
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/nextcloud/desktop/pull/5233security-advisories@github.com
Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-64qc-vf6v-8xggsecurity-advisories@github.com
Vendor Advisory
https://hackerone.com/reports/1788598security-advisories@github.com
Permissions Required
Third Party Advisory
Hyperlink: https://github.com/nextcloud/desktop/pull/5233
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-64qc-vf6v-8xgg
Source: security-advisories@github.com
Resource:
Vendor Advisory
Hyperlink: https://hackerone.com/reports/1788598
Source: security-advisories@github.com
Resource:
Permissions Required
Third Party Advisory

Change History

0
Information is not available yet

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