CVEvulnerability

CVE-2020-15664

6.5 MEDIUM Published 2020-10-01 Modified 2026-08-19 Official page ↗
Status
Modified
Published
2020-10-01
Last modified
2026-08-19
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
CWE-863

Description

By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user confusion, this could result in an unintended or malicious extension being installed. This vulnerability affects Firefox < 80, Thunderbird < 78.2, Thunderbird < 68.12, Firefox ESR < 68.12, Firefox ESR < 78.2, and Firefox for Android < 80.

Affected configurations

• mozilla firefox (< 80.0) • mozilla firefox (>= 78.0 < 78.2) • mozilla firefox esr (< 68.12) • mozilla firefox mobile (< 80.0) • mozilla thunderbird (< 68.12) • mozilla thunderbird (>= 78.0 < 78.2)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References