CVE-2018-5157 describes a vulnerability in Firefox and Firefox ESR where same-origin protections for the PDF viewer could be bypassed. This flaw allowed a malicious website to intercept messages intended for the PDF viewer, potentially enabling the retrieval of restricted PDF files from third-party sites when viewed by an authenticated user. With a CVSS score of 7.5 (HIGH), this vulnerability has a network attack vector and low attack complexity, leading to a high impact on confidentiality. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | ||
7.6CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.