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Vulnerability details: VCID-ngz6-fm9j-4ucy
Vulnerability ID VCID-ngz6-fm9j-4ucy
Aliases CVE-2026-44175
GHSA-5fhx-9q32-q257
Summary Kirby CMS vulnerable to cross-site scripting (XSS) from list field content in the site frontend
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.0004 https://api.first.org/data/v1/epss?cve=CVE-2026-44175
epss 0.0004 https://api.first.org/data/v1/epss?cve=CVE-2026-44175
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-5fhx-9q32-q257
cvssv4 8.5 https://github.com/getkirby/kirby
generic_textual HIGH https://github.com/getkirby/kirby
cvssv4 8.5 https://github.com/getkirby/kirby/releases/tag/4.9.1
generic_textual HIGH https://github.com/getkirby/kirby/releases/tag/4.9.1
cvssv4 8.5 https://github.com/getkirby/kirby/releases/tag/5.4.1
generic_textual HIGH https://github.com/getkirby/kirby/releases/tag/5.4.1
cvssv3.1_qr HIGH https://github.com/getkirby/kirby/security/advisories/GHSA-5fhx-9q32-q257
cvssv4 8.5 https://github.com/getkirby/kirby/security/advisories/GHSA-5fhx-9q32-q257
generic_textual HIGH https://github.com/getkirby/kirby/security/advisories/GHSA-5fhx-9q32-q257
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-44175
https://github.com/getkirby/kirby
https://github.com/getkirby/kirby/releases/tag/4.9.1
https://github.com/getkirby/kirby/releases/tag/5.4.1
GHSA-5fhx-9q32-q257 https://github.com/advisories/GHSA-5fhx-9q32-q257
GHSA-5fhx-9q32-q257 https://github.com/getkirby/kirby/security/advisories/GHSA-5fhx-9q32-q257
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/releases/tag/4.9.1
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

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none

passive

active

high

low

none

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/releases/tag/5.4.1
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/security/advisories/GHSA-5fhx-9q32-q257
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.12414
EPSS Score 0.0004
Published At June 12, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:38:50.943581+00:00 GHSA Importer Import https://github.com/advisories/GHSA-5fhx-9q32-q257 38.6.0