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WP Full Pay CVE-2026-77758

| EUVDEUVD-2026-66288 MEDIUM
Information Exposure (CWE-200)
2026-08-26 WPScan GHSA-7q4v-225q-qmcp
5.3
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
5.3 MEDIUM

Network-reachable with no auth or interaction needed; impact confined to partial confidentiality loss of customer billing records, no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

5
Analysis Generated
Aug 26, 2026 - 16:20 vuln.today
CVSS changed
Aug 26, 2026 - 15:52 NVD
5.3 (MEDIUM)
Patch available
Aug 26, 2026 - 08:01 EUVD
CVE Published
Aug 26, 2026 - 06:00 cve.org
MEDIUM 5.3
CVE Published
Aug 26, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.1 does not properly verify that a customer portal session has completed its confirmation step before returning data, allowing unauthenticated users to read another customer's subscription and billing information.

AnalysisAI

Stripe Payment Forms by WP Full Pay plugin for WordPress (all versions before 8.5.1) exposes customer subscription and billing data to unauthenticated network attackers due to a missing session-confirmation check in the customer portal workflow. The plugin returns sensitive financial records before verifying that a portal session has completed its confirmation step, enabling any unauthenticated user to read billing information belonging to a different customer. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Fingerprint WordPress site for vulnerable plugin
Delivery
Identify or guess portal session identifier
Exploit
Send unauthenticated request to portal data endpoint
Execution
Bypass missing confirmation-step check
Impact
Retrieve victim customer billing and subscription records

Vulnerability AssessmentAI

Exploitation No authentication is required - the CVSS vector PR:N confirms unauthenticated exploitation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N scores 5.3 Medium and accurately reflects the attack surface: fully network-reachable, zero prerequisites, but limited to confidentiality impact only. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker enumerates WordPress sites running the vulnerable plugin (detectable via standard WordPress plugin fingerprinting) and sends a crafted unauthenticated request to the customer portal data-return endpoint, supplying a session identifier that has not completed the confirmation flow. The server responds with subscription details and billing records for the associated customer account. …
Remediation Update the Stripe Payment Forms by WP Full Pay plugin to version 8.5.1 or later; this is confirmed as the vendor-released patch per the WPScan advisory (https://wpscan.com/vulnerability/2d4fc012-9f80-43cc-b68d-96842700fe2f/). … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-77758 vulnerability details – vuln.today

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