CVE-2026-89101 (GCVE-0-2026-89101)
Vulnerability from cvelistv5 – Published: 2026-11-06 11:17 – Updated: 2026-11-06 15:15
VLAI
EPSS
VEX
Title
Everest Forms <= 3.6.2 - Insecure Direct Object Reference to Authenticated (Custom+) Arbitrary Entry/Form Disclosure and Deletion via MCP /tools/call JSON-RPC Endpoint
Summary
The Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.6.2 via the get_entry due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to view, read, and permanently delete forms and entries belonging to any other user — including personally identifiable information submitted through public contact and lead forms — regardless of form ownership.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-06 15:11 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence
CNA
References
12 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpeverest | Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI |
Affected:
0 , ≤ 3.6.2
(semver)
|
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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