CVE-2019-17016 describes a vulnerability in Firefox and Firefox ESR versions prior to 72 and 68.4, respectively, where an improperly sanitized @namespace rule within a pasted style tag could lead to CSS injection. This medium-severity vulnerability (CVSS 6.1) requires user interaction (UI:R) and could result in limited data exfiltration (C:L) and integrity impact (I:L) on vulnerable websites. While the vulnerability has a low EPSS score and no known public exploits, Metasploit modules, or community discussion, it is categorized as CWE-79 (Improper Neutralization of Input During Web Page Generation).
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 72.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 68.4CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.