CVE-2023-5725

Mozilla Firefox ESR and 5 others: A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could…

CVE-2023-5725 is fixed in 114 products on 2 platforms, first by Mozilla Firefox (en-US) 119.0, released October 24, 2023. It is not reported as exploited. Patch Radar priority: Routine.

RoutineFixed on 2 platforms
CVSS
6.1
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0094
61st percentile

A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Firefox (en-US) 119.0 Mozilla Firefox (en-US) 119.0 Oct 24, 2023
Mozilla Firefox ESR (ach) 128.3.0 Mozilla Firefox ESR (ach) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (af) 128.3.0 Mozilla Firefox ESR (af) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (an) 128.3.0 Mozilla Firefox ESR (an) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ar) 128.3.0 Mozilla Firefox ESR (ar) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ast) 128.3.0 Mozilla Firefox ESR (ast) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (az) 128.3.0 Mozilla Firefox ESR (az) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (be) 128.3.0 Mozilla Firefox ESR (be) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bg) 128.3.0 Mozilla Firefox ESR (bg) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bn) 128.3.0 Mozilla Firefox ESR (bn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (br) 128.3.0 Mozilla Firefox ESR (br) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bs) 128.3.0 Mozilla Firefox ESR (bs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ca) 128.3.0 Mozilla Firefox ESR (ca) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ca-valencia) 128.3.0 Mozilla Firefox ESR (ca-valencia) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cak) 128.3.0 Mozilla Firefox ESR (cak) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cs) 128.3.0 Mozilla Firefox ESR (cs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cy) 128.3.0 Mozilla Firefox ESR (cy) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (da) 128.3.0 Mozilla Firefox ESR (da) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (de) 128.3.0 Mozilla Firefox ESR (de) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (dsb) 128.3.0 Mozilla Firefox ESR (dsb) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (el) 128.3.0 Mozilla Firefox ESR (el) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-CA) 128.3.0 Mozilla Firefox ESR (en-CA) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-GB) 128.3.0 Mozilla Firefox ESR (en-GB) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-US) 128.3.0 Mozilla Firefox ESR (en-US) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (eo) 128.3.0 Mozilla Firefox ESR (eo) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-AR) 128.3.0 Mozilla Firefox ESR (es-AR) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-CL) 128.3.0 Mozilla Firefox ESR (es-CL) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-ES) 128.3.0 Mozilla Firefox ESR (es-ES) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-MX) 128.3.0 Mozilla Firefox ESR (es-MX) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (et) 128.3.0 Mozilla Firefox ESR (et) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (eu) 128.3.0 Mozilla Firefox ESR (eu) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fa) 128.3.0 Mozilla Firefox ESR (fa) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ff) 128.3.0 Mozilla Firefox ESR (ff) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fi) 128.3.0 Mozilla Firefox ESR (fi) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fr) 128.3.0 Mozilla Firefox ESR (fr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fur) 128.3.0 Mozilla Firefox ESR (fur) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fy-NL) 128.3.0 Mozilla Firefox ESR (fy-NL) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ga-IE) 128.3.0 Mozilla Firefox ESR (ga-IE) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gd) 128.3.0 Mozilla Firefox ESR (gd) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gl) 128.3.0 Mozilla Firefox ESR (gl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gn) 128.3.0 Mozilla Firefox ESR (gn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gu-IN) 128.3.0 Mozilla Firefox ESR (gu-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (he) 128.3.0 Mozilla Firefox ESR (he) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hi-IN) 128.3.0 Mozilla Firefox ESR (hi-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hr) 128.3.0 Mozilla Firefox ESR (hr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hsb) 128.3.0 Mozilla Firefox ESR (hsb) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hu) 128.3.0 Mozilla Firefox ESR (hu) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hy-AM) 128.3.0 Mozilla Firefox ESR (hy-AM) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ia) 128.3.0 Mozilla Firefox ESR (ia) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (id) 128.3.0 Mozilla Firefox ESR (id) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (is) 128.3.0 Mozilla Firefox ESR (is) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (it) 128.3.0 Mozilla Firefox ESR (it) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ja) 128.3.0 Mozilla Firefox ESR (ja) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ka) 128.3.0 Mozilla Firefox ESR (ka) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kab) 128.3.0 Mozilla Firefox ESR (kab) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kk) 128.3.0 Mozilla Firefox ESR (kk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (km) 128.3.0 Mozilla Firefox ESR (km) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kn) 128.3.0 Mozilla Firefox ESR (kn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ko) 128.3.0 Mozilla Firefox ESR (ko) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lij) 128.3.0 Mozilla Firefox ESR (lij) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lt) 128.3.0 Mozilla Firefox ESR (lt) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lv) 128.3.0 Mozilla Firefox ESR (lv) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (mk) 128.3.0 Mozilla Firefox ESR (mk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (mr) 128.3.0 Mozilla Firefox ESR (mr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ms) 128.3.0 Mozilla Firefox ESR (ms) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (my) 128.3.0 Mozilla Firefox ESR (my) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nb-NO) 128.3.0 Mozilla Firefox ESR (nb-NO) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ne-NP) 128.3.0 Mozilla Firefox ESR (ne-NP) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nl) 128.3.0 Mozilla Firefox ESR (nl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nn-NO) 128.3.0 Mozilla Firefox ESR (nn-NO) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (oc) 128.3.0 Mozilla Firefox ESR (oc) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pa-IN) 128.3.0 Mozilla Firefox ESR (pa-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pl) 128.3.0 Mozilla Firefox ESR (pl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pt-BR) 128.3.0 Mozilla Firefox ESR (pt-BR) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pt-PT) 128.3.0 Mozilla Firefox ESR (pt-PT) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (rm) 128.3.0 Mozilla Firefox ESR (rm) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ro) 128.3.0 Mozilla Firefox ESR (ro) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ru) 128.3.0 Mozilla Firefox ESR (ru) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sc) 128.3.0 Mozilla Firefox ESR (sc) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sco) 128.3.0 Mozilla Firefox ESR (sco) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (si) 128.3.0 Mozilla Firefox ESR (si) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sk) 128.3.0 Mozilla Firefox ESR (sk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sl) 128.3.0 Mozilla Firefox ESR (sl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (son) 128.3.0 Mozilla Firefox ESR (son) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sq) 128.3.0 Mozilla Firefox ESR (sq) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sr) 128.3.0 Mozilla Firefox ESR (sr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sv-SE) 128.3.0 Mozilla Firefox ESR (sv-SE) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (szl) 128.3.0 Mozilla Firefox ESR (szl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ta) 128.3.0 Mozilla Firefox ESR (ta) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (te) 128.3.0 Mozilla Firefox ESR (te) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tg) 128.3.0 Mozilla Firefox ESR (tg) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (th) 128.3.0 Mozilla Firefox ESR (th) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tl) 128.3.0 Mozilla Firefox ESR (tl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tr) 128.3.0 Mozilla Firefox ESR (tr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (trs) 128.3.0 Mozilla Firefox ESR (trs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (uk) 128.3.0 Mozilla Firefox ESR (uk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ur) 128.3.0 Mozilla Firefox ESR (ur) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (uz) 128.3.0 Mozilla Firefox ESR (uz) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (vi) 128.3.0 Mozilla Firefox ESR (vi) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (xh) 128.3.0 Mozilla Firefox ESR (xh) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (zh-CN) 128.3.0 Mozilla Firefox ESR (zh-CN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (zh-TW) 128.3.0 Mozilla Firefox ESR (zh-TW) 128.3.0 Oct 1, 2024
Mozilla Thunderbird (en-US) 115.8.0 Mozilla Thunderbird (en-US) 115.8.0 Feb 21, 2024
Linux
firefox · RHEL 8 0:115.4.0-1.el8_8 RHSA-2023:6187 Oct 30, 2023
firefox · RHEL 9 0:115.4.0-1.el9_2 RHSA-2023:6188 Oct 30, 2023
firefox · Ubuntu 20.04 LTS (focal) 119.0+build2-0ubuntu0.20.04.1 firefox 119.0+build2-0ubuntu0.20.04.1 Oct 24, 2023
firefox · almalinux 8 115.4.0-1.el8_8.alma.1 ALSA-2023:6187 Oct 30, 2023
firefox · almalinux 9 115.4.0-1.el9_2.alma.1 ALSA-2023:6188 Oct 30, 2023
firefox · ol 8 0:115.4.0-1.0.1.el8_8 ELSA-2023-6187 Oct 30, 2023
firefox · ol 9 0:115.4.0-1.0.1.el9_2 ELSA-2023-6188 Oct 31, 2023
firefox · rocky 9 0:115.4.0-1.el9_2 RLSA-2023:6188 Nov 11, 2023
firefox-esr · Debian 12.15 (bookworm) 115.4.0esr-1~deb12u1 DEBIAN-CVE-2023-5725 Oct 25, 2023
firefox-esr · Debian 13.5 (trixie) 115.4.0esr-1 DEBIAN-CVE-2023-5725 Oct 25, 2023
firefox-esr · Debian 14 115.4.0esr-1 DEBIAN-CVE-2023-5725 Oct 25, 2023
firefox-geckodriver · Ubuntu 20.04 LTS (focal) 119.0+build2-0ubuntu0.20.04.1 firefox-geckodriver 119.0+build2-0ubuntu0.20.04.1 Oct 24, 2023
firefox-mozsymbols · Ubuntu 20.04 LTS (focal) 119.0+build2-0ubuntu0.20.04.1 firefox-mozsymbols 119.0+build2-0ubuntu0.20.04.1 Oct 24, 2023
firefox-x11 · RHEL 9 0:115.4.0-1.el9_2 RHSA-2023:6188 Oct 30, 2023
firefox-x11 · almalinux 9 115.4.0-1.el9_2.alma.1 ALSA-2023:6188 Oct 30, 2023
firefox-x11 · ol 9 0:115.4.0-1.0.1.el9_2 ELSA-2023-6188 Oct 31, 2023
thunderbird · Debian 12.15 (bookworm) 1:115.4.1-1~deb12u1 DEBIAN-CVE-2023-5725 Oct 25, 2023
thunderbird · Debian 13.5 (trixie) 1:115.4.1-1 DEBIAN-CVE-2023-5725 Oct 25, 2023
thunderbird · Debian 14 1:115.4.1-1 DEBIAN-CVE-2023-5725 Oct 25, 2023
thunderbird · RHEL 8 0:115.4.1-1.el8_8 RHSA-2023:6194 Oct 30, 2023
thunderbird · RHEL 9 0:115.4.1-1.el9_2 RHSA-2023:6191 Oct 30, 2023
thunderbird · Ubuntu 20.04 LTS (focal) 1:115.4.1+build1-0ubuntu0.20.04.1 thunderbird 1:115.4.1+build1-0ubuntu0.20.04.1 Oct 25, 2023
thunderbird · Ubuntu 22.04.1 LTS (jammy) 1:115.4.1+build1-0ubuntu0.22.04.1 thunderbird 1:115.4.1+build1-0ubuntu0.22.04.1 Oct 25, 2023
thunderbird · Ubuntu 24.04.5 LTS (noble) 1:115.4.1+build1-0ubuntu1 thunderbird 1:115.4.1+build1-0ubuntu1 Oct 25, 2023
thunderbird · almalinux 8 115.4.1-1.el8_8.alma.1 ALSA-2023:6194 Oct 30, 2023
thunderbird · almalinux 9 115.4.1-1.el9_2.alma ALSA-2023:6191 Oct 30, 2023
thunderbird · ol 8 0:115.4.1-1.0.1.el8_8 ELSA-2023-6194 Oct 31, 2023
thunderbird · ol 9 0:115.4.1-1.0.1.el9_2 ELSA-2023-6191 Oct 31, 2023
thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) 1:115.4.1+build1-0ubuntu0.20.04.1 thunderbird-gnome-support 1:115.4.1+build1-0ubuntu0.20.04.1 Oct 25, 2023
thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) 1:115.4.1+build1-0ubuntu0.22.04.1 thunderbird-gnome-support 1:115.4.1+build1-0ubuntu0.22.04.1 Oct 25, 2023
thunderbird-gnome-support · Ubuntu 24.04.5 LTS (noble) 1:115.4.1+build1-0ubuntu1 thunderbird-gnome-support 1:115.4.1+build1-0ubuntu1 Oct 25, 2023
thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) 1:115.4.1+build1-0ubuntu0.20.04.1 thunderbird-mozsymbols 1:115.4.1+build1-0ubuntu0.20.04.1 Oct 25, 2023
thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) 1:115.4.1+build1-0ubuntu0.22.04.1 thunderbird-mozsymbols 1:115.4.1+build1-0ubuntu0.22.04.1 Oct 25, 2023
thunderbird-mozsymbols · Ubuntu 24.04.5 LTS (noble) 1:115.4.1+build1-0ubuntu1 thunderbird-mozsymbols 1:115.4.1+build1-0ubuntu1 Oct 25, 2023
xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) 1:115.4.1+build1-0ubuntu0.20.04.1 xul-ext-calendar-timezones 1:115.4.1+build1-0ubuntu0.20.04.1 Oct 25, 2023
xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) 1:115.4.1+build1-0ubuntu0.22.04.1 xul-ext-calendar-timezones 1:115.4.1+build1-0ubuntu0.22.04.1 Oct 25, 2023
xul-ext-calendar-timezones · Ubuntu 24.04.5 LTS (noble) 1:115.4.1+build1-0ubuntu1 xul-ext-calendar-timezones 1:115.4.1+build1-0ubuntu1 Oct 25, 2023
xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) 1:115.4.1+build1-0ubuntu0.20.04.1 xul-ext-gdata-provider 1:115.4.1+build1-0ubuntu0.20.04.1 Oct 25, 2023
xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) 1:115.4.1+build1-0ubuntu0.22.04.1 xul-ext-gdata-provider 1:115.4.1+build1-0ubuntu0.22.04.1 Oct 25, 2023
xul-ext-gdata-provider · Ubuntu 24.04.5 LTS (noble) 1:115.4.1+build1-0ubuntu1 xul-ext-gdata-provider 1:115.4.1+build1-0ubuntu1 Oct 25, 2023
xul-ext-lightning · Ubuntu 20.04 LTS (focal) 1:115.4.1+build1-0ubuntu0.20.04.1 xul-ext-lightning 1:115.4.1+build1-0ubuntu0.20.04.1 Oct 25, 2023
xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) 1:115.4.1+build1-0ubuntu0.22.04.1 xul-ext-lightning 1:115.4.1+build1-0ubuntu0.22.04.1 Oct 25, 2023
xul-ext-lightning · Ubuntu 24.04.5 LTS (noble) 1:115.4.1+build1-0ubuntu1 xul-ext-lightning 1:115.4.1+build1-0ubuntu1 Oct 25, 2023

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