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CVE-2026-15000

The Connect Contact Form 7 and Mailchimp plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Mailchimp Merge Field Values in all versions up to, and including, 0.9.78.06 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is only triggered when a privileged user (Administrator) performs a Contact
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9c34a5701b3832daacde8e44bdec6492166269f5166f0e962cadaf84b1adf29a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Connect Contact Form 7 and Mailchimp","vendor":"rnzo","versions":[{"lessThanOrEqual":"0.9.78.06","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/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:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/metrics/0/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:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/problemTypes/0/descriptions/0

Source references

10 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/tags/0.9.78.05/assets/js/chimpmatic-lite.js#L1706"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/tags/0.9.78.05/assets/js/chimpmatic-lite.js#L2036"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/tags/0.9.78.05/includes/api/class-cmatic-contact-lookup.php#L237"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/tags/0.9.78.05/includes/services/submission/class-cmatic-merge-vars-builder.php#L30"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/trunk/assets/js/chimpmatic-lite.js#L1706"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/trunk/assets/js/chimpmatic-lite.js#L2036"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/8
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/trunk/includes/api/class-cmatic-contact-lookup.php#L237"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/7
{"url":"https://plugins.trac.wordpress.org/browser/contact-form-7-mailchimp-extension/trunk/includes/services/submission/class-cmatic-merge-vars-builder.php#L30"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3599649%40contact-form-7-mailchimp-extension&new=3599649%40contact-form-7-mailchimp-extension"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /containers/cna/references/9
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/be2579e3-8e40-4603-9ec1-38f43dc1aa29?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:234ce253b01c763b4e4c676998a1018899fe9964efba255871b4778a33424785 · sha256:126bc50a0d4b7fee… · /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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