CVE Explorer
CVE-2026-2428
The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Insufficient Verification of Data Authenticity in all versions up to, and including, 6.1.17. This is due to the PayPal IPN (Instant Payment Notification) verification being disabled by default (`disable_ipn_verification` defaults to `'yes'` in `PayPalSettings.php`). This makes it possible for unauthenticated attackers to send forged PayPal IPN notifications to the publicly accessible IPN endpoint, marking unpaid form submissi
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Fluent Forms Pro Add On Pack","vendor":"techjewel","versions":[{"lessThanOrEqual":"6.1.17","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:ead22990ddb9f78fc0370d91c1d58c6c4af12183083ed0e7f9dc77d77a0fdfef · sha256:a8d511436c7f1347… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:ead22990ddb9f78fc0370d91c1d58c6c4af12183083ed0e7f9dc77d77a0fdfef · sha256:a8d511436c7f1347… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-345","description":"CWE-345 Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:ead22990ddb9f78fc0370d91c1d58c6c4af12183083ed0e7f9dc77d77a0fdfef · sha256:a8d511436c7f1347… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://fluentforms.com/docs/changelog/#2-toc-title"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ead22990ddb9f78fc0370d91c1d58c6c4af12183083ed0e7f9dc77d77a0fdfef · sha256:a8d511436c7f1347… · /containers/cna/references/1
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/e5c62e54-da06-4b44-ba70-63065e664b0d?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ead22990ddb9f78fc0370d91c1d58c6c4af12183083ed0e7f9dc77d77a0fdfef · sha256:a8d511436c7f1347… · /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.