CVE-2017-7839 describes a vulnerability in Firefox versions prior to 57 where control characters preceding "javascript:" URLs in the address bar could be ignored, leading to the execution of pasted JavaScript. This medium-severity vulnerability (CVSS 6.1) requires user interaction (UI:R) and could facilitate social engineering or self-XSS attacks, potentially leading to limited impact on confidentiality and integrity. While no active exploits, Metasploit modules, or ExploitDB entries are publicly available, there is some community discussion, indicating awareness of the issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 56.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 57CPE match | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
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.