Is CVE-2015-7215 in the CISA KEV catalog?

No. CVE-2015-7215 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-7215?

CVE-2015-7215 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2015-7215?

CVE-2015-7215 has an EPSS score of 2.53% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-7215?

Upgrade firefox on ubuntu 14.04 to 43.0+build1-0ubuntu0.14.04.1 or later.

CVE & CISA-KEV Catalog

CVE-2015-7215

MEDIUMEPSS 83th pctl

5.0

CVSS v2

NVD

Description

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.

CWE-200Information Exposure

How to fix

Remediation Available

firefoxUbuntu

Fixed in:43.0+build1-0ubuntu0.14.04.1USN-2833-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.53%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Vendor Advisory2

Other references12

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.