CVE-2018-3763 describes a stored Cross-Site Scripting (XSS) vulnerability in Nextcloud Calendar versions prior to 1.5.8 and 1.6.1. This flaw stems from insufficient sanitization of group names within an autocomplete search field, allowing privileged users (admins or group admins) to inject malicious scripts. The vulnerability has a CVSS score of 4.8 (Medium), indicating a network-based attack requiring high privileges and user interaction, with potential for low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.5.8CPE matchmatch criteria | cpe:2.3:a:nextcloud:calendar:*:*:*:*:*:*:*:* | ||
1.6.0CPE matchmatch criteria | cpe:2.3:a:nextcloud:calendar:1.6.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.