CVE-2021-28121 is a critical vulnerability affecting Virtual Robots.txt versions prior to 1.10, where the application fails to properly sanitize HTML tags in the robots.txt field. This allows for unauthenticated remote attackers to inject malicious HTML, leading to potential cross-site scripting (XSS) or other client-side attacks. With a CVSS score of 9.8, this vulnerability has a high impact on confidentiality, integrity, and availability, requiring no user interaction or complex attack conditions. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.10CPE matchmatch criteria | cpe:2.3:a:virtual_robots.txt_project:virtual_robots.txt:*:*:*:*:*:wordpress:*:* |
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.
Remediation records are not available for this CVE.