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CVE-2026-47344

When ALLOW_INSECURE_RAW_TEXT is enabled, whitespace-variant closing tags (e.g., </style\t>) are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:93fee517fa2f31256f7ec0c4c6c887a80abe9b690907f53054b3f500440cce60
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-436","description":"CWE-436 Interpretation Conflict","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /containers/cna/problemTypes/1/descriptions/0

{"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:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://packagist.org","defaultStatus":"unaffected","packageName":"typo3/html-sanitizer","product":"HTML Sanitizer","repo":"https://github.com/TYPO3/html-sanitizer","vendor":"TYPO3","versions":[{"lessThan":"2.3.2","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-436","description":"CWE-436 Interpretation Conflict","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /containers/cna/problemTypes/1/descriptions/0
{"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:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["patch"],"url":"https://github.com/TYPO3/html-sanitizer/commit/bd1a88d9b5a5f67f1120ec41084e9c1a0675641c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://typo3.org/security/advisory/typo3-core-sa-2026-006"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f502b8153a634abea5d992f2a4f1646d7ba14f301afe7777440262c8678663fd · sha256:8771409890fad8fa… · /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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