CVE-2020-15652

Mozilla: Potential leak of redirect targets when loading scripts in a worker

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Severity

Important

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · July 28, 2020

Updated · June 27, 2026

Description

The Mozilla Foundation Security Advisory describes this flaw as:

By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CWE-209 · Generation of Error Message Containing Sensitive Information