CVE-2020-8821 describes an improper data validation vulnerability in Webmin versions 1.941 and earlier, specifically within the Command Shell Endpoint. An authenticated attacker can inject HTML into the command field, which is then rendered in the Action Logs menu, leading to a Cross-Site Scripting (XSS) vulnerability, though JavaScript execution is prevented. This medium-severity vulnerability (CVSS 5.4) requires user interaction and low privileges, with potential impacts on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.941CPE matchmatch criteria | cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/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.