CVE-2018-19202 describes a reflected Cross-Site Scripting (XSS) vulnerability in MyBB versions 1.8.x through 1.8.19, specifically within the index.php file. This flaw allows remote attackers to inject malicious JavaScript code via the 'upsetting[bburl]' parameter. Rated as Medium severity with a CVSS score of 6.1, it requires user interaction (UI:R) and could lead to limited confidentiality and integrity impacts (C:L/I:L). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.8.0, < 1.8.20CPE matchmatch criteria | cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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.
Remediation records are not available for this CVE.