CVE-2023-23603

Publication date

2023-06-02 00:00:00

Family

mozilla

State

PUBLISHED

Description

Regular expressions used to filter out forbidden properties and values from style directives in calls to `console.log` werent accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.