CVE-2023-39955 is a cross-site scripting (XSS) vulnerability affecting Nextcloud Notes app versions 4.4.0 through 4.7.x. When a user creates a note containing HTML, the content is rendered in the preview instead of being offered for download, potentially allowing malicious scripts to execute. This medium-severity vulnerability (CVSS 6.1) requires user interaction and can lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.4.0, < 4.8.0CPE matchmatch criteria | cpe:2.3:a:nextcloud:notes:*:*:*:*:*:nextcloud:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
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.
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.