CVE-2025-8029

HIGH EPSS 22.2%
Published Jul 22, 202511mo ago · Modified Jun 17, 20262w ago
8.1 CVSS 3.1
High
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Published Jul 22, 2025 11mo ago
Last Modified Jun 17, 2026 2w ago

Description

Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

CVSS Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
22.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-80

Affected Products 6

VendorProductVersionRange
mozillafirefox* <128.13.0
mozillafirefox* <141.0
mozillafirefox*≥140.0  –  <140.1.0
mozillathunderbird* <128.13.0
mozillathunderbird* <141.0
mozillathunderbird*≥140.0  –  <140.1.0

References 8

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1928021
    Permissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-56/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-58/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-59/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-61/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-62/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-63/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.