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Vulnerability details: VCID-zuh5-yybj-h7er
Vulnerability ID VCID-zuh5-yybj-h7er
Aliases CVE-2026-45368
GHSA-qvjf-922g-pj44
Summary Kirby CMS vulnerable to cross-site scripting (XSS) from links in KirbyTags and image blocks 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 0.00062 https://api.first.org/data/v1/epss?cve=CVE-2026-45368
epss 0.00062 https://api.first.org/data/v1/epss?cve=CVE-2026-45368
epss 0.00062 https://api.first.org/data/v1/epss?cve=CVE-2026-45368
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-qvjf-922g-pj44
cvssv4 8.4 https://github.com/getkirby/kirby
generic_textual HIGH https://github.com/getkirby/kirby
cvssv4 8.4 https://github.com/getkirby/kirby/releases/tag/4.9.1
generic_textual HIGH https://github.com/getkirby/kirby/releases/tag/4.9.1
cvssv4 8.4 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-qvjf-922g-pj44
cvssv4 8.4 https://github.com/getkirby/kirby/security/advisories/GHSA-qvjf-922g-pj44
generic_textual HIGH https://github.com/getkirby/kirby/security/advisories/GHSA-qvjf-922g-pj44
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-45368
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-qvjf-922g-pj44 https://github.com/advisories/GHSA-qvjf-922g-pj44
GHSA-qvjf-922g-pj44 https://github.com/getkirby/kirby/security/advisories/GHSA-qvjf-922g-pj44
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/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

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/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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passive

active

high

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none

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/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

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low

none

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/security/advisories/GHSA-qvjf-922g-pj44
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 0.19678
EPSS Score 0.00062
Published At June 12, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:38:51.685456+00:00 GHSA Importer Import https://github.com/advisories/GHSA-qvjf-922g-pj44 38.6.0