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CVE-2026-54002

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. Thi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f4f8c7da2000ccb71499f82c09b8dbc86fddb351af13c3bfbf9ea5ad246f0b9b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-87","description":"CWE-87: Improper Neutralization of Alternate XSS Syntax","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"kirby","vendor":"getkirby","versions":[{"status":"affected","version":"< 4.9.4"},{"status":"affected","version":">= 5.0.0, < 5.4.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.5,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-87","description":"CWE-87: Improper Neutralization of Alternate XSS Syntax","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/problemTypes/1/descriptions/0

Source references

7 source assertions
{"name":"https://github.com/getkirby/kirby/commit/0f0437b5128c910103cbc78fc34d94b2a3faef4c","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/commit/0f0437b5128c910103cbc78fc34d94b2a3faef4c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/references/1
{"name":"https://github.com/getkirby/kirby/commit/7ad76cf9c7387462828e6ebfc8404e31b37829e9","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/commit/7ad76cf9c7387462828e6ebfc8404e31b37829e9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/references/2
{"name":"https://github.com/getkirby/kirby/commit/9ec1873864441dbc06479ef7823da348ec7f2700","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/commit/9ec1873864441dbc06479ef7823da348ec7f2700"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/references/3
{"name":"https://github.com/getkirby/kirby/commit/bb2562e16c754493a403b8df84c9883108871e4c","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/commit/bb2562e16c754493a403b8df84c9883108871e4c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/references/4
{"name":"https://github.com/getkirby/kirby/releases/tag/4.9.4","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/releases/tag/4.9.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/references/5
{"name":"https://github.com/getkirby/kirby/releases/tag/5.4.4","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/releases/tag/5.4.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/references/6
{"name":"https://github.com/getkirby/kirby/security/advisories/GHSA-wr9h-4r83-f4v6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getkirby/kirby/security/advisories/GHSA-wr9h-4r83-f4v6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892b687da4579dd8192d528b70aefbd6bcde7c82e9428163254bb5115c77a1bc · sha256:c3866c36f929b1d1… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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