CVE-2019-18873 describes a critical Stored Cross-Site Scripting (XSS) vulnerability in FUDForum 3.0.9, specifically within the User-Agent HTTP header. This flaw allows an authenticated attacker to achieve remote code execution (RCE) by injecting malicious code that executes when an administrator views user information. The vulnerability has a CVSS score of 9.0 (CRITICAL) due to its low attack complexity, requiring only user interaction, and leading to complete compromise of confidentiality, integrity, and availability. While not actively exploited in the wild and lacking Metasploit or Nuclei modules, a public exploit (EDB-47650) exists, though there is minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0.9CPE matchmatch criteria | cpe:2.3:a:fudforum:fudforum:3.0.9:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 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.
Remediation records are not available for this CVE.