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CVE-2026-6394

The Nexa Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Server-Side Request Forgery (SSRF) in versions up to and including 1.1.1. This is due to the import_demo() function accepting a user-supplied URL in the demo_json_file POST parameter and passing it directly to wp_remote_get() without any URL validation or restriction against internal or private network destinations. The nexa_blocks_nonce required for the AJAX action is publicly expos
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5efe1a26ed1ef69b04fd25b67fcfe4a29d281e530d6a51daa5f55be0160d5309
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Nexa Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE","vendor":"wpdive","versions":[{"lessThanOrEqual":"1.1.1","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":5.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/nexa-blocks/tags/1.1.1/inc/classes/enqueue-assets.php#L84"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/nexa-blocks/tags/1.1.1/inc/template/template.php#L236"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/nexa-blocks/tags/1.1.1/inc/template/template.php#L242"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/nexa-blocks/trunk/inc/classes/enqueue-assets.php#L84"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/nexa-blocks/trunk/inc/template/template.php#L236"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/nexa-blocks/trunk/inc/template/template.php#L242"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /containers/cna/references/1
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b4bb3067-7953-466d-a469-8a101450f133?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb5b0e90d68ced6bbe0c4388470cf30ea7c981eb15640d7db4b25ffd07f343f1 · sha256:7b2e97a3a32ca975… · /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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