Vulnerability · Published Aug 10, 2020 · Assigned by mozilla

CVE-2020-15653

Medium 6.5

In plain English

A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox79.0-r0ALPINE-CVE-2020-15653
Alpine:v3.21firefox79.0-r0ALPINE-CVE-2020-15653
Alpine:v3.22firefox79.0-r0ALPINE-CVE-2020-15653
Alpine:v3.23firefox79.0-r0ALPINE-CVE-2020-15653
Alpine:v3.20firefox-esr78.1.0-r0ALPINE-CVE-2020-15653
Alpine:v3.21firefox-esr78.1.0-r0ALPINE-CVE-2020-15653
Alpine:v3.22firefox-esr78.1.0-r0ALPINE-CVE-2020-15653
Alpine:v3.23firefox-esr78.1.0-r0ALPINE-CVE-2020-15653
Alpine:v3.21librewolf79.0-r0ALPINE-CVE-2020-15653
Alpine:v3.22librewolf79.0-r0ALPINE-CVE-2020-15653
Alpine:v3.23librewolf79.0-r0ALPINE-CVE-2020-15653
Alpine:v3.24librewolf79.0-r0ALPINE-CVE-2020-15653

Affected products (as reported)

VendorProductVersions
Mozilla Firefox ESR unspecified – before 78.1
Mozilla Firefox unspecified – before 79
Mozilla Thunderbird unspecified – before 78.1

References