CVE Explorer
CVE-2026-3453
The ProfilePress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.16.11. This is due to missing ownership validation on the change_plan_sub_id parameter in the process_checkout() function. The ppress_process_checkout AJAX handler accepts a user-controlled subscription ID intended for plan upgrades, loads the subscription record, and cancels/expires it without verifying the subscription belongs to the requesting user. This makes it pos
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress","vendor":"properfraction","versions":[{"lessThanOrEqual":"4.16.11","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /containers/cna/problemTypes/0/descriptions/0
Source references
5 source assertions{"url":"https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.9/src/Membership/Controllers/CheckoutController.php#L237"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.9/src/Membership/Controllers/CheckoutController.php#L334"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.9/src/Membership/Controllers/CheckoutController.php#L342"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/changeset/3474509/wp-user-avatar/trunk/src/Membership/Controllers/CheckoutController.php"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /containers/cna/references/4
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/74e4808f-bd6f-4e62-91cb-31c86a427498?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b400ed9d79753b7beab051ac9bc28a10f92ffe6c127bcdcd922e9fbc6499c131 · sha256:e1077089d046ef59… · /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.