The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 4.16.12. This is due to the 'process_checkout' function not properly enforcing the plan active status check when a 'change_plan_sub_id' parameter is provided. This makes it possible for authenticated attackers, with Subscriber-level access and above, to subscribe to inactive membership plans by supplying an arbitrary 'change_plan_sub_id' value in the checkout request.
CVE-2026-4949
Score 4.3 from GitHub Security Advisory published 2026-04-16. NVD baseline CVSS 4.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EPSS
- 23.9%
- KEV
- Not listed
Published
April 15, 2026
Last Modified
April 22, 2026
References (7)
- security@wordfencehttps://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.10/src/Admin/SettingsPages/Membership/PlansPage/SettingsPage.php#L107
- security@wordfencehttps://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.10/src/Admin/SettingsPages/Membership/views/add-edit-plan.php#L24
- security@wordfencehttps://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.10/src/Membership/Controllers/CheckoutController.php#L223
- security@wordfencehttps://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.10/src/Membership/Controllers/CheckoutController.php#L239
- security@wordfencehttps://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.16.10/src/Membership/Models/Subscription/SubscriptionEntity.php#L461
- security@wordfencehttps://plugins.trac.wordpress.org/changeset/3497425/wp-user-avatar#file14
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/4cc29d32-2727-42df-bd42-2caf0f182c0e?source=cve
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 38× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-862
Frequently asked(5)
What is CVE-2026-4949?
When was CVE-2026-4949 disclosed?
Is CVE-2026-4949 actively exploited?
What is the CVSS score of CVE-2026-4949?
How do I remediate CVE-2026-4949?
Dependency Blast Radius
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