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Vulnerability details: VCID-k4gg-dya5-jyf6
Vulnerability ID VCID-k4gg-dya5-jyf6
Aliases CVE-2023-25729
Summary Permission prompts for opening external schemes were only shown for ContentPrincipals resulting in extensions being able to open them without user interaction via ExpandedPrincipals. This could lead to further malicious actions such as downloading files or interacting with software already installed on the system.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-84 Improper Neutralization of Encoded URI Schemes in a Web Page
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-25729.json
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2023-25729
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1792138
ssvc Track* https://bugzilla.mozilla.org/show_bug.cgi?id=1792138
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2023-25729
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-05
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-06
generic_textual low https://www.mozilla.org/en-US/security/advisories/mfsa2023-07
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2023-05/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2023-05/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2023-06/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2023-06/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2023-07/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2023-07/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-25729.json
https://api.first.org/data/v1/epss?cve=CVE-2023-25729
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46871
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46877
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0430
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0616
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0767
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23598
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23601
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23602
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23603
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23605
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25728
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25729
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25730
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25732
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25735
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25737
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25744
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25746
2170382 https://bugzilla.redhat.com/show_bug.cgi?id=2170382
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
CVE-2023-25729 https://nvd.nist.gov/vuln/detail/CVE-2023-25729
mfsa2023-05 https://www.mozilla.org/en-US/security/advisories/mfsa2023-05
mfsa2023-05 https://www.mozilla.org/security/advisories/mfsa2023-05/
mfsa2023-06 https://www.mozilla.org/en-US/security/advisories/mfsa2023-06
mfsa2023-06 https://www.mozilla.org/security/advisories/mfsa2023-06/
mfsa2023-07 https://www.mozilla.org/en-US/security/advisories/mfsa2023-07
mfsa2023-07 https://www.mozilla.org/security/advisories/mfsa2023-07/
RHSA-2023:0805 https://access.redhat.com/errata/RHSA-2023:0805
RHSA-2023:0806 https://access.redhat.com/errata/RHSA-2023:0806
RHSA-2023:0807 https://access.redhat.com/errata/RHSA-2023:0807
RHSA-2023:0808 https://access.redhat.com/errata/RHSA-2023:0808
RHSA-2023:0809 https://access.redhat.com/errata/RHSA-2023:0809
RHSA-2023:0810 https://access.redhat.com/errata/RHSA-2023:0810
RHSA-2023:0811 https://access.redhat.com/errata/RHSA-2023:0811
RHSA-2023:0812 https://access.redhat.com/errata/RHSA-2023:0812
RHSA-2023:0817 https://access.redhat.com/errata/RHSA-2023:0817
RHSA-2023:0818 https://access.redhat.com/errata/RHSA-2023:0818
RHSA-2023:0819 https://access.redhat.com/errata/RHSA-2023:0819
RHSA-2023:0820 https://access.redhat.com/errata/RHSA-2023:0820
RHSA-2023:0821 https://access.redhat.com/errata/RHSA-2023:0821
RHSA-2023:0822 https://access.redhat.com/errata/RHSA-2023:0822
RHSA-2023:0823 https://access.redhat.com/errata/RHSA-2023:0823
RHSA-2023:0824 https://access.redhat.com/errata/RHSA-2023:0824
show_bug.cgi?id=1792138 https://bugzilla.mozilla.org/show_bug.cgi?id=1792138
USN-5880-1 https://usn.ubuntu.com/5880-1/
USN-5943-1 https://usn.ubuntu.com/5943-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-25729.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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1792138
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-01-10T17:35:34Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1792138
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-25729
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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2023-05/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-01-10T17:35:34Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-05/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2023-06/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-01-10T17:35:34Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-06/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2023-07/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-01-10T17:35:34Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-07/
Exploit Prediction Scoring System (EPSS)
Percentile 0.31125
EPSS Score 0.00116
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:33.203099+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2023/mfsa2023-07.yml 37.0.0