CVE Explorer

CVE-2026-6675

The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to Unauthenticated Open Email Relay in all versions up to, and including, 2.2.0. This is due to insufficient authorization checks and missing server-side validation of the recipient email address supplied via a public REST API route. This makes it possible for unauthenticated attackers to send arbitrary emails to any recipient of their choosing through the affected WordPress site's mail server, effectiv

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1865c76ca45e35fd5baa26a66575d5aebf28392ca2768fcf19c2956202a41b33

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Responsive Blocks – Page Builder for Blocks & Patterns","vendor":"cyberchimps","versions":[{"lessThanOrEqual":"2.2.0","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions

{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.1.9/includes/class-responsive-block-editor-addons.php#L2212"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/references/4

{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.1.9/includes/class-responsive-block-editor-addons.php#L2324"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/references/6

{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/tags/2.1.9/includes/class-responsive-block-editor-addons.php#L2403"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/references/2

{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L2212"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/references/3

{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L2324"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/references/5

{"url":"https://plugins.trac.wordpress.org/browser/responsive-block-editor-addons/trunk/includes/class-responsive-block-editor-addons.php#L2403"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /containers/cna/references/1

{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/17452a29-bcef-451a-9893-a436ac5d3b80?source=cve"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b4ee21ac40c91c1d6fd3c22b2450b6cccfbbb7f4403c0a070a663e82ccb7fd9e · sha256:edaa50ea278fbd75… · /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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