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Vulnerability details: VCID-avr4-9nty-5qah
Vulnerability ID VCID-avr4-9nty-5qah
Aliases CVE-2023-25730
Summary A background script invoking requestFullscreen and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-821 Incorrect Synchronization
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-25730.json
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2023-25730
cvssv3.1 5.4 https://bugzilla.mozilla.org/show_bug.cgi?id=1794622
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1794622
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2023-25730
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 5.4 https://www.mozilla.org/security/advisories/mfsa2023-05/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-05/
cvssv3.1 5.4 https://www.mozilla.org/security/advisories/mfsa2023-06/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-06/
cvssv3.1 5.4 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-2023-25730.json
https://api.first.org/data/v1/epss?cve=CVE-2023-25730
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
2170375 https://bugzilla.redhat.com/show_bug.cgi?id=2170375
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-2023-25730 https://nvd.nist.gov/vuln/detail/CVE-2023-25730
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=1794622 https://bugzilla.mozilla.org/show_bug.cgi?id=1794622
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-25730.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:L/I:L/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1794622
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:P/P:M/B:A/M:M/D:T/2025-01-10T17:32:33Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1794622
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-25730
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:L/I:L/A:N 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:P/P:M/B:A/M:M/D:T/2025-01-10T17:32:33Z/ 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:L/I:L/A:N 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:P/P:M/B:A/M:M/D:T/2025-01-10T17:32:33Z/ 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:L/I:L/A:N 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:P/P:M/B:A/M:M/D:T/2025-01-10T17:32:33Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-07/
Exploit Prediction Scoring System (EPSS)
Percentile 0.27534
EPSS Score 0.00095
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:33.090066+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2023/mfsa2023-07.yml 37.0.0