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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-54002 Detail

Description

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins that use the writer or list fields or call Dom::sanitize(), Sane::sanitize(), Sane::Html::sanitize(), Sane::Svg::sanitize(), Sane::Xml::sanitize(), Sane::sanitizeFile(), or file sanitizeContents() with untrusted input allow malicious markup injected as children of an unknown HTML or XML tag to pass through Dom::sanitize() without being correctly sanitized, causing stored cross-site scripting. This issue is fixed in versions 4.9.4 and 5.4.4.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  GitHub, Inc.
CVSS-B 8.5 HIGH
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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/getkirby/kirby/commit/0f0437b5128c910103cbc78fc34d94b2a3faef4c GitHub, Inc.
https://github.com/getkirby/kirby/commit/7ad76cf9c7387462828e6ebfc8404e31b37829e9 GitHub, Inc.
https://github.com/getkirby/kirby/commit/9ec1873864441dbc06479ef7823da348ec7f2700 GitHub, Inc.
https://github.com/getkirby/kirby/commit/bb2562e16c754493a403b8df84c9883108871e4c GitHub, Inc.
https://github.com/getkirby/kirby/releases/tag/4.9.4 GitHub, Inc.
https://github.com/getkirby/kirby/releases/tag/5.4.4 GitHub, Inc.
https://github.com/getkirby/kirby/security/advisories/GHSA-wr9h-4r83-f4v6 GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') GitHub, Inc.  
CWE-87 Improper Neutralization of Alternate XSS Syntax GitHub, Inc.  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-54002
NVD Published Date:
07/09/2026
NVD Last Modified:
07/09/2026
Source:
GitHub, Inc.