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Vulnerability details: VCID-d8yr-5fqs-y3b1
Vulnerability ID VCID-d8yr-5fqs-y3b1
Aliases CVE-2021-41165
GHSA-7h26-63m7-qhf2
Summary cross-site scripting
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
System Score Found at
epss 0.00123 https://api.first.org/data/v1/epss?cve=CVE-2021-41165
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-7h26-63m7-qhf2
cvssv3.1 8.2 https://github.com/ckeditor/ckeditor4
generic_textual HIGH https://github.com/ckeditor/ckeditor4
cvssv3.1 8.2 https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
generic_textual HIGH https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
cvssv3.1 8.2 https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
cvssv3.1_qr HIGH https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
generic_textual HIGH https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
cvssv3.1 8.2 https://nvd.nist.gov/vuln/detail/CVE-2021-41165
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-41165
archlinux Medium https://security.archlinux.org/AVG-2565
cvssv3.1 8.2 https://www.drupal.org/sa-core-2021-011
generic_textual HIGH https://www.drupal.org/sa-core-2021-011
cvssv3.1 8.2 https://www.oracle.com/security-alerts/cpuapr2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 8.2 https://www.oracle.com/security-alerts/cpujan2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpujan2022.html
cvssv3.1 8.2 https://www.oracle.com/security-alerts/cpujul2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpujul2022.html
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-41165
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41165
https://github.com/ckeditor/ckeditor4
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
https://nvd.nist.gov/vuln/detail/CVE-2021-41165
https://www.drupal.org/sa-core-2021-011
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.oracle.com/security-alerts/cpujul2022.html
999909 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999909
AVG-2565 https://security.archlinux.org/AVG-2565
GHSA-7h26-63m7-qhf2 https://github.com/advisories/GHSA-7h26-63m7-qhf2
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L Found at https://github.com/ckeditor/ckeditor4
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:L/UI:R/S:C/C:H/I:L/A:L Found at https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
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:L/UI:R/S:C/C:H/I:L/A:L Found at https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
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:L/UI:R/S:C/C:H/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2021-41165
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:L/UI:R/S:C/C:H/I:L/A:L Found at https://www.drupal.org/sa-core-2021-011
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:L/UI:R/S:C/C:H/I:L/A:L Found at https://www.oracle.com/security-alerts/cpuapr2022.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

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:L/UI:R/S:C/C:H/I:L/A:L Found at https://www.oracle.com/security-alerts/cpujan2022.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

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:L/UI:R/S:C/C:H/I:L/A:L Found at https://www.oracle.com/security-alerts/cpujul2022.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

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.32408
EPSS Score 0.00123
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T11:54:16.898022+00:00 Arch Linux Importer Import https://security.archlinux.org/AVG-2565 36.1.3