vulnerability
MFSA2023-02 Firefox: Security Vulnerabilities fixed in Firefox ESR 102.7 (CVE-2023-23603)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:C/I:N/A:N) | Jan 17, 2023 | Jan 18, 2023 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:C/I:N/A:N)
Published
Jan 17, 2023
Added
Jan 18, 2023
Modified
Aug 11, 2025
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.
Solution
mozilla-firefox-esr-upgrade-102_7
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