CVEvulnerability
CVE-2023-4581
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-09-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Description
Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.
Affected configurations
• mozilla firefox (< 117.0)
• mozilla firefox (>= 115.0 < 115.2)
• mozilla firefox esr (< 102.15)
• mozilla thunderbird (< 115.2)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843758 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-34/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-35/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-36/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-37/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-38/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843758 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-34/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-35/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-36/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-37/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-38/ Vendor Advisory