CVE-2021-3831 is a Cross-Site Scripting (XSS) vulnerability affecting gnuboard5, where improper neutralization of input during web page generation allows attackers to inject malicious scripts. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While there is no evidence of active exploitation or KEV listing, Nuclei templates exist for detection, and there is no significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.4.20CPE matchmatch criteria | cpe:2.3:a:gnuboard:gnuboard5:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.