CVE-2021-42576 describes a critical vulnerability in the bluemonday sanitizer for Go (before 1.0.16) and Python (before 0.0.8), where it fails to properly enforce policies for SELECT, STYLE, and OPTION HTML elements. This allows for unauthenticated remote attackers to achieve high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 9.8. Despite its critical severity, there is currently no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.16CPE matchmatch criteria | cpe:2.3:a:microco:bluemonday:*:*:*:*:*:go:*:* | ||
< 0.0.8CPE matchmatch criteria | cpe:2.3:a:python:pybluemonday:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.