CVE Vulnerability

CVE-2020-12391

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1457100 Permissions Required
https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Information

Published : 2020-05-26 06:15

Updated : 2022-07-12 05:42

NVD link : CVE-2020-12391

Mitre link : CVE-2020-12391

Products Affected
No products.
CWE
CWE-863