Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-9tnr-m8mg-3ffw
Vulnerability ID VCID-9tnr-m8mg-3ffw
Aliases CVE-2025-5265
Summary 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.*
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-116 Improper Encoding or Escaping of Output
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-5265.json
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2025-5265
cvssv3.1 4.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
cvssv3.1 4.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-42
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-43
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-44
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-45
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-46
cvssv3.1 4.8 https://www.mozilla.org/security/advisories/mfsa2025-42/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-42/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-42/
cvssv3.1 4.8 https://www.mozilla.org/security/advisories/mfsa2025-43/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-43/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-43/
cvssv3.1 4.8 https://www.mozilla.org/security/advisories/mfsa2025-44/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-44/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-44/
cvssv3.1 4.8 https://www.mozilla.org/security/advisories/mfsa2025-45/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-45/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-45/
cvssv3.1 4.8 https://www.mozilla.org/security/advisories/mfsa2025-46/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-46/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-46/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-5265.json
https://api.first.org/data/v1/epss?cve=CVE-2025-5265
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2368748 https://bugzilla.redhat.com/show_bug.cgi?id=2368748
mfsa2025-42 https://www.mozilla.org/en-US/security/advisories/mfsa2025-42
mfsa2025-42 https://www.mozilla.org/security/advisories/mfsa2025-42/
mfsa2025-43 https://www.mozilla.org/en-US/security/advisories/mfsa2025-43
mfsa2025-43 https://www.mozilla.org/security/advisories/mfsa2025-43/
mfsa2025-44 https://www.mozilla.org/en-US/security/advisories/mfsa2025-44
mfsa2025-44 https://www.mozilla.org/security/advisories/mfsa2025-44/
mfsa2025-45 https://www.mozilla.org/en-US/security/advisories/mfsa2025-45
mfsa2025-45 https://www.mozilla.org/security/advisories/mfsa2025-45/
mfsa2025-46 https://www.mozilla.org/en-US/security/advisories/mfsa2025-46
mfsa2025-46 https://www.mozilla.org/security/advisories/mfsa2025-46/
show_bug.cgi?id=1962301 https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
USN-7663-1 https://usn.ubuntu.com/7663-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-5265.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-05-28T03:55:57Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-27T15:10:15Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1962301
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://www.mozilla.org/security/advisories/mfsa2025-42/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-05-28T03:55:57Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-42/
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-27T15:10:15Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-42/
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://www.mozilla.org/security/advisories/mfsa2025-43/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-27T15:10:15Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-43/
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-05-28T03:55:57Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-43/
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://www.mozilla.org/security/advisories/mfsa2025-44/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-27T15:10:15Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-44/
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-05-28T03:55:57Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-44/
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://www.mozilla.org/security/advisories/mfsa2025-45/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-27T15:10:15Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-45/
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-05-28T03:55:57Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-45/
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://www.mozilla.org/security/advisories/mfsa2025-46/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-05-28T03:55:57Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-46/
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-27T15:10:15Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-46/
Exploit Prediction Scoring System (EPSS)
Percentile 0.18696
EPSS Score 0.00059
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:16:48.793207+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2025/mfsa2025-42.yml 38.0.0