CVE-2020-15652

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CVSS 3.1

6.5 medium

EPSS

1%p68

Published

Aug 10, 2020 (Aug 10, 2020)

Modified

Jun 17, 2026

Description

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. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.

Vendors: mozilla canonical
Products: firefox, firefox esr, thunderbird, ubuntu linux
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.3%)

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