CVE-2020-4052 describes a stored cross-site scripting (XSS) vulnerability in Wiki.js versions prior to 2.4.107. This flaw allows a malicious user to inject crafted JavaScript into wiki pages due to insufficient validation of HTML elements containing curly braces, which are intended to be sanitized. When other users view the compromised page, the embedded script executes, potentially leading to data theft or unauthorized actions. The vulnerability has a CVSS v3.1 score of 6.1 (Medium), indicating a network-based attack with low complexity requiring user interaction, resulting in low impact to 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 |
|---|---|---|---|
< 2.4.107CPE matchmatch criteria | cpe:2.3:a:requarks:wiki.js:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.