CVE-2015-1287

Blink, as used in Google Chrome before 44.0.2403.89, enables a quirks-mode exception that limits the cases in which a Cascading Style Sheets (CSS) document is required to have the text/css content type, which allows remote attackers to bypass the Same Origin Policy via a crafted web site, related to core/fetch/CSSStyleSheetResource.cpp.

Published: 2015-07-23 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-1287 is rated Moderate Risk (43.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.86%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-1287

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-06-04 0.60% 0.86% +0.26%
2 2025-03-30 0.69% 0.60% -0.09%
3 2025-03-29 0.69%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-1287

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-1287

OS Trackers for CVE-2015-1287

vendor priority summary link
gentoo normal CVE-2015-1287: 1 GLSA(s) (201603-09), 1 atom(s) (www-client/chromium); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-1287
redhat medium https://access.redhat.com/security/cve/CVE-2015-1287
ubuntu medium CVE-2015-1287 medium priority: Ubuntu including 2 source packages (chromium-browser, oxide-qt), 12 status rows across 6 suites (precise, trusty, upstream, utopic, vivid, wily): released 8, ignored 3, DNE 1. https://ubuntu.com/security/CVE-2015-1287

Affected software / configurations for CVE-2015-1287

Vendor Product Version Raw CPE
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
google chrome <= 43.0.2357.134 cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
redhat enterprise_linux_desktop_supplementary 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop_supplementary:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_supplementary 6.0 cpe:2.3:o:redhat:enterprise_linux_server_supplementary:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_supplementary_eus 6.7z cpe:2.3:o:redhat:enterprise_linux_server_supplementary_eus:6.7z:*:*:*:*:*:*:*
redhat enterprise_linux_workstation_supplementary 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation_supplementary:6.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2015-1287

cvelogic Threat Intelligence