CVE-2009-1834 describes a visual truncation vulnerability in Mozilla Firefox before 3.0.11 and SeaMonkey before 1.1.17, allowing remote attackers to spoof the location bar. This medium-complexity attack (CVSS 4.3) leverages invalid Unicode characters in Internationalized Domain Names (IDNs) to display whitespace, potentially tricking users into believing they are on a legitimate site. While not listed in CISA's KEV catalog, an exploit for address bar URI spoofing exists on ExploitDB, though there is minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.0.10CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
0.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.1:*:*:*:*:*:*:* | ||
0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:* | ||
0.3CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.3:*:*:*:*:*:*:* | ||
0.4CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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.