CVE-2023-23603

medium

Description

Regular expressions used to filter out forbidden properties and values from style directives in calls to <code>console.log</code> weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.

References

https://www.mozilla.org/security/advisories/mfsa2023-03/

https://www.mozilla.org/security/advisories/mfsa2023-02/

https://www.mozilla.org/security/advisories/mfsa2023-01/

https://bugzilla.mozilla.org/show_bug.cgi?id=1800832

Details

Source: Mitre, NVD

Published: 2023-06-02

Updated: 2023-06-08

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Severity: Medium