CVE-2023-23942

FAUCET Score

CVE-2023-23942 affects Nextcloud Desktop Client versions prior to 3.6.3, stemming from a lack of sanitization in QML labels that allows for JavaScript injection. This medium-severity vulnerability (CVSS 6.1) requires user interaction and can lead to low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 3.6.3CPE matchmatch criteria	cpe:2.3:a:nextcloud:desktop::::::::

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.3

Impact Score

2.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.68%

Probability of exploitation in next 30 days

EPSS Percentile

48.7%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0068 is in the 54th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

References

github.com / nextcloud/desktop/pull/5233

Patch

github.com / nextcloud/security-advisories/security/advisories/GHSA-64qc-vf6v-8xgg

Vendor Advisory

hackerone.com / reports/1788598

Permissions RequiredThird Party Advisory