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{"bugzilla": {"description": "firefox: Mitigation bypass in the DOM: Core & HTML component", "id": "2414091", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2414091"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["No description is available for this CVE."], "name": "CVE-2025-13013", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel10/firefox-flatpak", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-11-11T15:47:11Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-13013\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-13013\nhttps://www.mozilla.org/security/advisories/mfsa2025-88/#CVE-2025-13013"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "threat_severity": "Moderate"}

{"analysis": {"en": {"generated_at": "2026-04-20T17:45:02.652944+00:00", "value": {"mitigation_remediation": ["Upgrade Mozilla Firefox to version\u00a0145 or later (or ESR\u00a0140.5 or ESR\u00a0115.30 for ESR users).", "Upgrade Mozilla Thunderbird to version\u00a0145 or later (or ESR\u00a0140.5 for ESR users).", "If upgrading is not immediately possible, restrict potentially malicious content via a stricter content security policy or site isolation where supported."], "summary": {"action": "Immediate Patch", "impact": "Cross\u2011Site Scripting via DOM mitigation bypass"}, "threat_synthesis": {"affected_systems": "The flaw affects Mozilla Firefox and Mozilla Thunderbird across both the main releases and ESR streams. Versions fixed in the vendor advisories are Firefox\u00a0145, ESR\u00a0140.5, ESR\u00a0115.30 and Thunderbird\u00a0145, Thunderbird\u00a0140.5. The data does not list the earliest affected releases, so any older build may be vulnerable; it is recommended to target installations below those versions for patching.", "description_and_impact": "The vulnerability permits an attacker to bypass built\u2011in DOM mitigations, allowing injection of malicious scripts into web content understood by Firefox or Thunderbird. This bypass is triggered by malformed HTML or JavaScript that is otherwise sanitized, giving an attacker the ability to execute arbitrary code within the context of the application. The weakness is captured by CWE-79 and CWE-288, indicating improper input validation leading to cross\u2011site scripting and potential denial of service.", "risk_and_exploitability": "The CVSS score of\u00a06.1 indicates a medium severity. The EPSS score of less than\u00a01% suggests a very low probability of exploitation in the wild, and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is through a malicious web page or web application that the user visits, where the bypass allows the injected payload to run. The impact extends to confidentiality, integrity, and availability of the compromised system if the attacker carries out privilege escalation scripts or Post\u2011Message attacks."}}}}, "created": "2025-11-12T12:42:40.224059+00:00", "updated": "2026-04-20T17:45:12.955964+00:00", "vendors": ["mozilla", "mozilla$PRODUCT$firefox", "mozilla$PRODUCT$firefox_esr"]}