EUVD-2026-66883
GHSA-9j83-j87m-xcjf
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Network-accessible AJAX endpoint exploitable by any subscriber (PR:L, AC:L); exposes only campaign config with no integrity or availability impact.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
The Finale Lite WordPress plugin before 2.21.0 does not perform a capability check on an AJAX action that returns a sales-campaign's configuration for an arbitrary post ID, allowing any authenticated user (Subscriber and above) to read the Finale Lite WordPress plugin before 2.21.0's campaign configuration and scheduling data.
AnalysisAI
Finale Lite WordPress plugin before 2.21.0 exposes sales campaign configuration and scheduling data to any subscriber-level authenticated user due to a missing capability check on a WordPress AJAX action. The unprotected endpoint accepts an arbitrary post ID and returns the associated campaign's settings without verifying that the requesting user holds appropriate privileges. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid WordPress account at the Subscriber role or higher - unauthenticated visitors cannot trigger this vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 4.3 (Medium) accurately characterizes the constrained real-world impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker registers or already holds a subscriber-level account on a WordPress site running Finale Lite before 2.21.0, then sends a crafted AJAX POST request to wp-admin/admin-ajax.php with the vulnerable action parameter and an enumerated post ID. The server returns the campaign's configuration and scheduling data without checking the caller's privileges. … |
| Remediation | Update Finale Lite to version 2.21.0 or later, which introduces the missing capability check on the affected AJAX action; this is the only complete fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-200 – Information Exposure
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External POC / Exploit Code
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