CVE-2018-5136

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CVSS 3.0

7.5 high

EPSS

2%p75

Published

Jun 11, 2018 (Jun 11, 2018)

Modified

Jun 17, 2026

Description

A shared worker created from a "data:" URL in one tab can be shared by another tab with a different origin, bypassing the same-origin policy. This vulnerability affects Firefox < 59.

Vendors: canonical mozilla
Products: ubuntu linux, firefox
Weakness: CWE-20
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.6%)

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