CVE-2025-5265

MEDIUM EPSS 3.8%
Published May 27, 20251y ago · Modified Jun 17, 20261w ago
4.8 CVSS 3.1
Medium
Find Similar
Published May 27, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Due to insufficient escaping of the ampersand character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

CVSS Details

Base Score
4.8
Exploitability
1.3
Impact
3.4
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
3.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-77 Command Injection Injection

Affected Products 3

VendorProductVersionRange
mozillafirefox* <115.24.0
mozillafirefox* <139.0
mozillafirefox*≥116.0  –  <128.11.0

References 6

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
    Permissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-42/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-43/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-44/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-45/
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-46/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.