CVE-2026-3642 | Forfront e-shot Plugin up to 1.0.2 on WordPress AJAX eshot_form_builder_update_field_data authorization

VDB-357678 · CVE-2026-3642 · GCVE-0-2026-3642 FORFRONT E-SHOT PLUGIN UP TO 1.0.2 ON WORDPRESS AJAX ESHOT_FORM_BUILDER_UPDATE_FIELD_DATA AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.7 $0-$5k 2.61+ Summaryinfo A vulnerability was found in Forfront e-shot Plugin up to 1.0.2 on WordPress. It has been declared as critical. This affects the function eshot_form_builder_update_field_data of the component AJAX Handler. The manipulation results in authorization. This vulnerability was named CVE-2026-3642. The attack may be performed from remote. There is no available exploit. Detailsinfo A vulnerability classified as critical has been found in Forfront e-shot Plugin up to 1.0.2 on WordPress. Affected is the function eshot_form_builder_update_field_data of the component AJAX Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: The e-shot™ form builder plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 1.0.2. The eshot_form_builder_update_field_data() AJAX handler lacks any capability checks (current_user_can()) or nonce verification (check_ajax_referer()/wp_verify_nonce()). The function is registered via the wp_ajax_ hook, making it accessible to any authenticated user. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify form field configurations including mandatory status, field visibility, and form display preferences via the eshot_form_builder_update_field_data AJAX action. The weakness was presented by Phong Nguyen. The advisory is available at wordfence.com. This vulnerability is traded as CVE-2026-3642 since 03/06/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/15/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type WordPress Plugin Vendor Forfront Name e-shot Plugin Version 1.0.0 1.0.1 1.0.2 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.8 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 6.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.3 CNA Vector (Wordfence): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Authorization CWE: CWE-862 / CWE-863 / CWE-285 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/06/2026 CVE reserved 04/15/2026 +39 days Advisory disclosed 04/15/2026 +0 days VulDB entry created 04/15/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Phong Nguyen Status: Not defined CVE: CVE-2026-3642 (🔒) GCVE (CVE): GCVE-0-2026-3642 GCVE (VulDB): GCVE-100-357678 Entryinfo Created: 04/15/2026 11:42 Changes: 04/15/2026 11:42 (65) Complete: 🔍 Cache ID: 99:CCA:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸