CVE-2015-7214

NONECVSS 0.0Elevated

0.0

Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.5 allow remote attackers to bypass the Same Origin Policy via data: and view-source: URIs.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 94.8%
KEV: Not listed

Published

December 16, 2015

Last Modified

May 6, 2026

References (44)

security@mozillahttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html
security@mozillahttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00021.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00022.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00023.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00038.html
security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00049.html
security@mozillahttp://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html
security@mozillahttp://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html
security@mozillahttp://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html
security@mozillahttp://rhn.redhat.com/errata/RHSA-2015-2657.html
security@mozillahttp://www.debian.org/security/2015/dsa-3422
security@mozillahttp://www.debian.org/security/2016/dsa-3432
security@mozillahttp://www.mozilla.org/security/announce/2015/mfsa2015-149.html
security@mozillahttp://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Patch Availability(4)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	thunderbird (1:38.5.1+build2-0ubuntu0.15.10.1) @ wily	2026-05-22	ubuntu
ubuntu	firefox (43.0+build1-0ubuntu0.15.10.1) @ wily	2026-05-22	ubuntu
redhat	thunderbird-0:38.5.0-1.el7_2	2016-01-05	redhat
redhat	firefox-0:38.5.0-3.el7_2	2015-12-16	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 5× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-24 16:43 UTCEPSS rescore
2026-05-22 22:12 UTCEG score recompute
2026-05-22 22:12 UTCVendor advisory

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCllamakko/CVE-2015-7214
First seen Apr 28, 2016
[Firefox] SOP bypass PoC for CVE-2015-7214 (MFSA 2015-149)
Open source ↗

Frequently asked(4)

What is CVE-2015-7214?

CVE-2015-7214 is a none vulnerability published on December 16, 2015. Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.5 allow remote attackers to bypass the Same Origin Policy via data: and view-source: URIs.

When was CVE-2015-7214 disclosed?

CVE-2015-7214 was first published in the National Vulnerability Database on December 16, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-7214 actively exploited?

CVE-2015-7214 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2015-7214?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-7214, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2015-7214

Explore →

Is Your Infrastructure Affected by CVE-2015-7214?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs