CVE-2015-4490 describes a cross-site scripting (XSS) vulnerability in Mozilla Firefox before version 40.0, specifically impacting how Content Security Policy (CSP) Level 2 exceptions for blob, data, and filesystem URL schemes are handled during wildcard matching. This flaw could allow remote attackers to bypass CSP protections and conduct XSS attacks. The vulnerability has a CVSS score of 4.3, indicating medium attack complexity and potential for partial integrity impact, 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 |
|---|---|---|---|
<= 39.0.3CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
15.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | ||
13.1CPE matchmatch criteria | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N
No social media mentions found for this CVE.
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.