CVE-2017-5387 is a local file existence vulnerability affecting Mozilla Firefox versions prior to 51. It allows an attacker to determine the presence of a specific local file by observing the double firing of an "onerror" event when a tag's "source" attribute points to a non-existent file on a locally loaded page. This vulnerability has a low CVSS score of 3.3, indicating a low attack complexity and impact, primarily affecting integrity with no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 51.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 51CPE match | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.