CVE-2016-1631 describes a vulnerability in the Pepper plugin of Google Chrome versions prior to 49.0.2623.75. This flaw, specifically within the PPB_Flash_MessageLoop_Impl::InternalRun function, allows remote attackers to bypass the Same Origin Policy by exploiting mishandled nested message loops via a crafted website. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, requiring user interaction, and could lead to high impacts on confidentiality, integrity, and availability. While no public exploit code or active exploitation is reported, it has garnered moderate community and media attention, indicating awareness of its potential.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 48.0.2564.116CPE matchmatch criteria | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.