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Medium severity · published Aug 10, 2020
CVE-2020-15653
An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links
6.5
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 79.0 · source: NVD
FE
Firefox Esr · Mozilla
before 78.1 · source: NVD
TH
Thunderbird · Mozilla
before 78.1 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 20.04 · source: NVD
Affected product
FI
Firefox
Mozilla
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15653
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15653
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1521542
Third Party Advisory
https://usn.ubuntu.com/4443-1/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-30/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-32/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-33/
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