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CVE-2015-1266

15
FAUCET Score

CVE-2015-1266 describes an access restriction bypass vulnerability in Google Chrome versions prior to 43.0.2357.130. The flaw stems from improper scheme consideration when determining if a URL is associated with a WebUI SiteInstance, allowing remote attackers to bypass intended security controls using similar URLs, such as http://gpu instead of chrome://gpu. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having a low attack complexity, potentially leading to partial integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 43.0.2357.81CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.49%
Probability of exploitation in next 30 days
EPSS Percentile
71.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0149 is in the 54th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media 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.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: chromium-browser-0:43.0.2357.130-1.el6_6
View patch

Vendor Advisories (1)

redhatCVE-2015-1266Important

chromium-browser: Scheme validation error in WebUI

Jun 22, 2015

References

googlechromereleases.blogspot.com / 2015/06/chrome-stable-update.html
lists.opensuse.org / opensuse-updates/2015-06/msg00057.html
lists.opensuse.org / opensuse-updates/2015-11/msg00012.html
rhn.redhat.com / errata/RHSA-2015-1188.html
code.google.com / p/chromium/issues/detail
codereview.chromium.org / 1129123004
security.gentoo.org / glsa/201507-18
debian.org / security/2015/dsa-3315
securityfocus.com / bid/75333
securitytracker.com / id/1032731
ubuntu.com / usn/USN-2652-1