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Vulnerability details: VCID-2k55-r9k6-d3er
Vulnerability ID VCID-2k55-r9k6-d3er
Aliases BIT-jupyter-base-notebook-2021-32798
BIT-jupyter-notebook-2021-32798
CVE-2021-32798
GHSA-hwvq-6gjx-j797
PYSEC-2021-118
Summary cross-site scripting
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-75 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
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
epss 0.00172 https://api.first.org/data/v1/epss?cve=CVE-2021-32798
cvssv3.1 10.0 https://github.com/jupyter/notebook
cvssv4 7.8 https://github.com/jupyter/notebook
generic_textual HIGH https://github.com/jupyter/notebook
cvssv3.1 10.0 https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
cvssv4 7.8 https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
generic_textual HIGH https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
cvssv3.1 10.0 https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
cvssv4 7.8 https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
generic_textual HIGH https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
cvssv3.1 10.0 https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.yaml
cvssv4 7.8 https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.yaml
generic_textual HIGH https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.yaml
cvssv3.1 10.0 https://nvd.nist.gov/vuln/detail/CVE-2021-32798
cvssv4 7.8 https://nvd.nist.gov/vuln/detail/CVE-2021-32798
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-32798
archlinux High https://security.archlinux.org/AVG-2267
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-32798
https://github.com/jupyter/notebook
https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.yaml
992704 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992704
AVG-2267 https://security.archlinux.org/AVG-2267
CVE-2021-32798 https://nvd.nist.gov/vuln/detail/CVE-2021-32798
GHSA-hwvq-6gjx-j797 https://github.com/advisories/GHSA-hwvq-6gjx-j797
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N 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)

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/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)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

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low

none

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low

none

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low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Found at https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N Found at https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Found at https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N Found at https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.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

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.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)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-32798
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-32798
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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

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low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.38168
EPSS Score 0.00172
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T19:37:08.955603+00:00 Arch Linux Importer Import https://security.archlinux.org/AVG-2267 38.6.0