The sourceMapURL feature in devtools was missing security checks that would have allowed a webpage to attempt to include local files or other files that should have been inaccessible. This vulnerability affects Firefox < 99.
https://bugzilla.mozilla.org/show_bug.cgi?id=1754066
https://www.mozilla.org/security/advisories/mfsa2022-13/
Source: MITRE
Published: 2022-12-22
Updated: 2022-12-30
Type: NVD-CWE-noinfo