CVE-2026-90922: CWE-284 Improper Access Control in Paid Membership Subscriptions
The Paid Membership Subscriptions WordPress plugin before 3.0.9 does not verify that the amount and currency reported by the payment provider match the pending payment before completing it, allowing unauthenticated users to obtain a paid membership by paying an arbitrary lower amount.
AI Analysis
Technical Summary
CVE-2026-90922 is an improper access control vulnerability (CWE-284) in the Paid Membership Subscriptions WordPress plugin versions prior to 3.0.9. The flaw arises from the plugin's failure to verify that the amount and currency reported by the payment provider correspond to the expected pending payment. This allows unauthenticated attackers to complete a payment with a lower amount than required and gain unauthorized paid membership access.
Potential Impact
An attacker can bypass payment verification controls and obtain paid membership status without paying the full required amount. This could lead to unauthorized access to paid content or services, potentially causing financial loss to the site owner.
Mitigation Recommendations
Upgrade the Paid Membership Subscriptions plugin to version 3.0.9 or later, where this vulnerability is fixed. No other mitigation is indicated as the fix is available in the updated version.
CVE-2026-90922: CWE-284 Improper Access Control in Paid Membership Subscriptions
Description
The Paid Membership Subscriptions WordPress plugin before 3.0.9 does not verify that the amount and currency reported by the payment provider match the pending payment before completing it, allowing unauthenticated users to obtain a paid membership by paying an arbitrary lower amount.
CVSS v3.1
Score 5.3medium
Affected software
Paid Membership Subscriptions
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-90922 is an improper access control vulnerability (CWE-284) in the Paid Membership Subscriptions WordPress plugin versions prior to 3.0.9. The flaw arises from the plugin's failure to verify that the amount and currency reported by the payment provider correspond to the expected pending payment. This allows unauthenticated attackers to complete a payment with a lower amount than required and gain unauthorized paid membership access.
Potential Impact
An attacker can bypass payment verification controls and obtain paid membership status without paying the full required amount. This could lead to unauthorized access to paid content or services, potentially causing financial loss to the site owner.
Mitigation Recommendations
Upgrade the Paid Membership Subscriptions plugin to version 3.0.9 or later, where this vulnerability is fixed. No other mitigation is indicated as the fix is available in the updated version.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-14T11:10:38.769Z
- State
- PUBLISHED
Threat ID: 6aab827755bf5e2cf5d4d332
Added to database: 09/17/2026, 06:02:31 UTC
Last enriched: 09/17/2026, 06:17:05 UTC
Last updated: 09/17/2026, 23:42:53 UTC
Views: 15
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