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CVE-2026-56785

FlatPress contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in browsers of viewers including administrators, or bypass URL scheme validation to inject javascript: or data: URIs.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:38dea2204b725b7837104dad7fa60039da1d5a26c6e8041ce8bebc7412f3e258
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.4,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"FlatPress","vendor":"FlatPress","versions":[{"lessThan":"10be83c","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.4,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"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:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["vendor-advisory"],"url":"https://github.com/dilipk5/flatpressd-cms-sxss"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/flatpressblog/flatpress/commit/10be83cbaac5ce0e51250b9d57de7f257b8f34f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/flatpress-stored-cross-site-scripting-via-unescaped-comment-and-contact-form-fields"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d3f00503a104f5e8e3e7cf88b8c19aed2ac50714b79283d5d8e5b37866cd42c7 · sha256:b771cc67b3580340… · /containers/cna/references/2

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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