CVE Explorer
CVE-2026-53943
Ghost is a Node.js content management system. From until 6.37.0, when Ghost is behind a shared caching layer that results in cached content being shared between different visitors, an unauthenticated user could send an x-ghost-preview header that altered the rendered frontend response. In affected cache configurations, that response could be stored and served to subsequent visitors requesting the same page, allowing cache poisoning of request-specific preview output. When running Ghost's fronte
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Ghost","vendor":"TryGhost","versions":[{"status":"affected","version":">= 4.0.0, < 6.37.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:d356a6bef0a52a05b0248db0bfe5943ad07f987056f35b02ab585be68d0db604 · sha256:f4cda0ddb41598cc… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:d356a6bef0a52a05b0248db0bfe5943ad07f987056f35b02ab585be68d0db604 · sha256:f4cda0ddb41598cc… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-524","description":"CWE-524: Use of Cache Containing Sensitive Information","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:d356a6bef0a52a05b0248db0bfe5943ad07f987056f35b02ab585be68d0db604 · sha256:f4cda0ddb41598cc… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-62q6-4hv4-vjrw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-62q6-4hv4-vjrw"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d356a6bef0a52a05b0248db0bfe5943ad07f987056f35b02ab585be68d0db604 · sha256:f4cda0ddb41598cc… · /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.