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Vulnerability details: VCID-4vqp-xtgq-p3ex
Vulnerability ID VCID-4vqp-xtgq-p3ex
Aliases CVE-2018-8768
GHSA-6cwv-x26c-w2q4
PYSEC-2018-57
Summary In Jupyter Notebook before 5.4.1, a maliciously forged notebook file can bypass sanitization to execute JavaScript in the notebook context. Specifically, invalid HTML is 'fixed' by jQuery after sanitization, making it dangerous.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 7.8 http://openwall.com/lists/oss-security/2018/03/15/2
cvssv4 8.4 http://openwall.com/lists/oss-security/2018/03/15/2
generic_textual HIGH http://openwall.com/lists/oss-security/2018/03/15/2
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2018-8768
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-6cwv-x26c-w2q4
cvssv3.1 7.8 https://github.com/jupyter/notebook
cvssv4 8.4 https://github.com/jupyter/notebook
generic_textual HIGH https://github.com/jupyter/notebook
cvssv3.1 7.8 https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2018-57.yaml
cvssv4 8.4 https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2018-57.yaml
generic_textual HIGH https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2018-57.yaml
cvssv3.1 7.8 https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
cvssv4 8.4 https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
cvssv3.1 7.8 https://nvd.nist.gov/vuln/detail/CVE-2018-8768
cvssv4 8.4 https://nvd.nist.gov/vuln/detail/CVE-2018-8768
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-8768
Reference id Reference type URL
http://openwall.com/lists/oss-security/2018/03/15/2
https://api.first.org/data/v1/epss?cve=CVE-2018-8768
https://github.com/advisories/GHSA-6cwv-x26c-w2q4
https://github.com/jupyter/notebook
https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2018-57.yaml
https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
893436 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=893436
CVE-2018-8768 https://nvd.nist.gov/vuln/detail/CVE-2018-8768
USN-USN-4855-1 https://usn.ubuntu.com/USN-4855-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://openwall.com/lists/oss-security/2018/03/15/2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at http://openwall.com/lists/oss-security/2018/03/15/2
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/jupyter/notebook
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/jupyter/notebook
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2018-57.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

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Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2018-57.yaml
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
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

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Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-8768
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

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required

unchanged

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Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-8768
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

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Exploit Prediction Scoring System (EPSS)
Percentile 0.29154
EPSS Score 0.0011
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:17:40.554965+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/notebook/PYSEC-2018-57.yaml 38.6.0