CVE-2025-5265 – “Firefox Windows Local Code Execution Vulnerability”

The following table lists the changes that have been made to the
CVE-2025-5265 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 27, 2025

    Action Type Old Value New Value
    Added 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 affects Firefox < 139, Firefox ESR < 115.24, and Firefox ESR < 128.11.
    Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-42/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-43/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-44/
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