CVE-2026-0740 | SaturdayDrive Ninja Forms Plugin up to 3.3.26 on WordPress handle_upload unrestricted upload (EUVD-2026-19572)

VDB-355703 · CVE-2026-0740 · EUVD-2026-19572 SATURDAYDRIVE NINJA FORMS PLUGIN UP TO 3.3.26 ON WORDPRESS HANDLE_UPLOAD UNRESTRICTED UPLOAD HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.4 $0-$5k 1.30+ Summaryinfo A vulnerability was found in SaturdayDrive Ninja Forms Plugin up to 3.3.26 on WordPress. It has been classified as critical. The impacted element is the function NF_FU_AJAX_Controllers_Uploads::handle_upload. The manipulation leads to unrestricted upload. This vulnerability is listed as CVE-2026-0740. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended. Detailsinfo A vulnerability was found in SaturdayDrive Ninja Forms Plugin up to 3.3.26 on WordPress and classified as critical. This issue affects the function NF_FU_AJAX_Controllers_Uploads::handle_upload. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is: The Ninja Forms - File Uploads plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'NF_FU_AJAX_Controllers_Uploads::handle_upload' function in all versions up to, and including, 3.3.26. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. Note: The vulnerability was partially patched in version 3.3.25 and fully patched in version 3.3.27. The weakness was presented by Sélim Lanouar. It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2026-0740 since 01/08/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK. Upgrading eliminates this vulnerability. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-19572). Productinfo Type WordPress Plugin Vendor SaturdayDrive Name Ninja Forms Plugin Version 3.3.0 3.3.1 3.3.2 3.3.3 3.3.4 3.3.5 3.3.6 3.3.7 3.3.8 3.3.9 3.3.10 3.3.11 3.3.12 3.3.13 3.3.14 3.3.15 3.3.16 3.3.17 3.3.18 3.3.19 3.3.20 3.3.21 3.3.22 3.3.23 3.3.24 3.3.25 3.3.26 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 8.5 VulDB Meta Temp Score: 8.4 VulDB Base Score: 7.3 VulDB Temp Score: 7.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.8 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: Unrestricted upload CWE: CWE-434 / CWE-284 / CWE-266 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: Upgrade Status: 🔍 0-Day Time: 🔒 Timelineinfo 01/08/2026 CVE reserved 04/07/2026 +88 days Advisory disclosed 04/07/2026 +0 days VulDB entry created 04/07/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Sélim Lanouar Status: Confirmed CVE: CVE-2026-0740 (🔒) GCVE (CVE): GCVE-0-2026-0740 GCVE (VulDB): GCVE-100-355703 EUVD: 🔒 Entryinfo Created: 04/07/2026 07:19 Updated: 04/07/2026 08:30 Changes: 04/07/2026 07:19 (66), 04/07/2026 08:30 (1) Complete: 🔍 Cache ID: 99:EC6:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸