CVE-2023-23602 — Improper Check for Unusual or Exceptional Conditions in Mozilla Firefox
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 66.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 2
Description
A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6
Affected Packages9 packages
🔴Vulnerability Details
6GHSA▶
GHSA-457f-c77p-7wc3: A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored↗2023-06-02
OSV▶
CVE-2023-23602: A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored↗2023-06-02
CVEList
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