EUVD-2026-81350
GHSA-8cq7-r49f-2x26
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Unauthenticated network callback with no signature check (AV:N/AC:L/PR:N/UI:N); bounded disclosure gives C:L and deletion of stored order params gives I:L, no availability impact.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The Autopay WordPress plugin before 5.0.1 does not enforce the signature on one of its payment callbacks, allowing unauthenticated users to disclose and delete the stored payment parameters of other customers' orders.
AnalysisAI
Missing signature enforcement in the Autopay WordPress payment-gateway plugin before 5.0.1 lets unauthenticated remote attackers disclose and delete the stored payment parameters of other customers' orders through the plugin's payment callback endpoint (CVSS 6.5, CWE-863). The assessed vector AV:N/AC:L/PR:N/UI:N confirms exploitation needs no authentication or user interaction - only network reachability to the callback plus knowledge or enumeration of target order identifiers - and publicly available exploit code exists, although there is no confirmed active exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions beyond the plugin being installed and active - remote unauthenticated exploitation against default configurations of the Autopay WordPress payment-gateway plugin (versions before 5.0.1). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuinely exploitable but moderate-impact flaw. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Autopay 5.0.1 or later, the first release outside the affected <5.0.1 range - the vendor patch is available (see the WPScan advisory at https://wpscan.com/vulnerability/29133c48-ff5c-4295-bd18-7014d7650298/ and NVD at https://nvd.nist.gov/vuln/detail/CVE-2026-90923). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today