{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62977?format=json","vulnerability_id":"VCID-4hcr-7re3-rkhx","summary":"An attacker was able to bypass the connect-src directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools.","aliases":[{"alias":"CVE-2025-6427"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/583527?format=json","purl":"pkg:deb/debian/firefox@140.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@140.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/582059?format=json","purl":"pkg:deb/debian/firefox@149.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1059611?format=json","purl":"pkg:deb/debian/firefox@149.0.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1076056?format=json","purl":"pkg:deb/debian/firefox@150.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1088670?format=json","purl":"pkg:deb/debian/firefox@150.0.1-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.1-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1105248?format=json","purl":"pkg:deb/debian/firefox@150.0.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.2-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1112518?format=json","purl":"pkg:deb/debian/firefox@150.0.3-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.3-1%3Fdistro=sid"}],"affected_packages":[],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-6427.json","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-6427.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-6427","reference_id":"","reference_type":"","scores":[{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23893","published_at":"2026-04-04T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23853","published_at":"2026-04-02T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23798","published_at":"2026-04-09T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23751","published_at":"2026-04-08T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23681","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00087","scoring_system":"epss","scoring_elements":"0.25035","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00087","scoring_system":"epss","scoring_elements":"0.24985","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00087","scoring_system":"epss","scoring_elements":"0.24993","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00087","scoring_system":"epss","scoring_elements":"0.25075","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00087","scoring_system":"epss","scoring_elements":"0.2498","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54867","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54802","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54776","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54796","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54774","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54719","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54761","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54817","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54778","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54805","published_at":"2026-05-12T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-6427"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2374565","reference_id":"2374565","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2374565"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2025-51","reference_id":"mfsa2025-51","reference_type":"","scores":[{"value":"high","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2025-51"},{"reference_url":"https://www.mozilla.org/security/advisories/mfsa2025-51/","reference_id":"mfsa2025-51","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-06-25T14:20:57Z/"}],"url":"https://www.mozilla.org/security/advisories/mfsa2025-51/"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2025-54","reference_id":"mfsa2025-54","reference_type":"","scores":[{"value":"high","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2025-54"},{"reference_url":"https://www.mozilla.org/security/advisories/mfsa2025-54/","reference_id":"mfsa2025-54","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-06-25T14:20:57Z/"}],"url":"https://www.mozilla.org/security/advisories/mfsa2025-54/"},{"reference_url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1966927","reference_id":"show_bug.cgi?id=1966927","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-06-25T14:20:57Z/"}],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1966927"},{"reference_url":"https://usn.ubuntu.com/7991-1/","reference_id":"USN-7991-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/7991-1/"}],"weaknesses":[],"exploits":[],"severity_range_score":"6.1 - 9.1","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-4hcr-7re3-rkhx"}