CVE-2018-3740 describes a vulnerability in the Sanitize gem for Ruby, where a specially crafted HTML fragment can bypass the sanitization process, allowing non-whitelisted attributes on whitelisted HTML elements. This vulnerability carries a high CVSS score of 7.5, indicating a significant risk due to its network-based attack vector and low attack complexity, potentially leading to high integrity impact. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. While community discussion and media coverage are minimal, GitLab did issue a security release addressing this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.6.0CPE matchmatch criteria | cpe:2.3:a:sanitize_project:sanitize:*:*:*:*:*:ruby:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.