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.
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Score 4.3 from GitHub Security Advisory published 2023-10-25. NVD baseline CVSS 4.3; sources differ by 0.0.
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.
October 25, 2023
June 17, 2026
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | firefox-mozsymbols (119.0+build2-0ubuntu0.20.04.1) @ focal | 2026-05-24 | ubuntu |
| ubuntu | xul-ext-lightning (1:115.4.1+build1-0ubuntu0.23.10.1) @ mantic | 2026-05-24 | ubuntu |
| redhat | thunderbird-0:115.4.1-1.el8_1 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_2 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_2 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_4 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_6 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el9_2 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_8 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_1 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el8_6 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el9_2 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el9_0 | 2023-10-30 | redhat |
| redhat | firefox-0:115.4.0-1.el7_9 | 2023-10-30 | redhat |
| redhat | thunderbird-0:115.4.1-1.el8_8 | 2023-10-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
RHSA-2023:6162 — Moderate
RHSA-2023:6185 — Moderate
RHSA-2023:6186 — Moderate
RHSA-2023:6187 — Moderate
RHSA-2023:6188 — Moderate
RHSA-2023:6189 — Moderate
RHSA-2023:6191 — Moderate
RHSA-2023:6194 — Moderate
RHSA-2023:6195 — Moderate
RHSA-2023:6196 — Moderate
RHSA-2023:6197 — Moderate
RHSA-2023:6198 — Moderate
RHSA-2023:6199 — Moderate
Firefox vulnerabilities
Thunderbird vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2023-5725
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