Unrated severityNVD Advisory· Published Jun 2, 2023· Updated Dec 18, 2025
Calls to console.log allowed bypassing Content Security Policy via format directive
CVE-2023-23603
Description
Regular expressions used to filter out forbidden properties and values from style directives in calls to console.log weren't 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.
Affected products
36- osv-coords33 versionspkg:rpm/almalinux/firefoxpkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/mozjs102&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4
< 102.7.0-1.el9_1.alma+ 32 more
- (no CPE)range: < 102.7.0-1.el9_1.alma
- (no CPE)range: < 102.7.1-1.el8_7.alma
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 109.0-1.1
- (no CPE)range: < 102.7.1-150200.8.102.1
- (no CPE)range: < 102.7.1-1.1
- (no CPE)range: < 102.7.0-1.1
- (no CPE)range: < 102.7.0-150000.150.71.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150000.150.71.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.0-150000.150.71.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.0-150000.150.71.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-150200.152.73.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.0-112.145.1
- (no CPE)range: < 102.7.1-150200.8.102.1
- (no CPE)range: < 102.7.1-150200.8.102.1
- Range: unspecified
- Range: unspecified
- Range: unspecified
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4News mentions
0No linked articles in our index yet.