CVE-2026-54002

unknowncovered by 1 sourcefirst seen 2026-07-09

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.

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Exploitation outlook

Low exploitation risk0.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-54002: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and p…nvd · 2026-07-09

External references

NVD record for CVE-2026-54002

CVE.org record

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