CVE-2026-4091 | faridsaniee OPEN-BRAIN Plugin up to 0.5.0 on WordPress Setting func_page_main cross-site request forgery

VDB-357687 · CVE-2026-4091 · GCVE-0-2026-4091 FARIDSANIEE OPEN-BRAIN PLUGIN UP TO 0.5.0 ON WORDPRESS SETTING FUNC_PAGE_MAIN CROSS-SITE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 2.87+ Summaryinfo A vulnerability, which was classified as problematic, has been found in faridsaniee OPEN-BRAIN Plugin up to 0.5.0 on WordPress. Affected by this vulnerability is the function func_page_main of the component Setting Handler. Performing a manipulation results in cross-site request forgery. This vulnerability is reported as CVE-2026-4091. The attack is possible to be carried out remotely. No exploit exists. Detailsinfo A vulnerability classified as problematic has been found in faridsaniee OPEN-BRAIN Plugin up to 0.5.0 on WordPress. This affects the function func_page_main of the component Setting Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity. The summary by CVE is: The OPEN-BRAIN plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.5.0. This is due to missing nonce verification on the settings form in the func_page_main() function. This makes it possible for unauthenticated attackers to inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. The weakness was disclosed by Muhammad Nur Ibnu Hubab. It is possible to read the advisory at wordfence.com. This vulnerability is uniquely identified as CVE-2026-4091 since 03/12/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. 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 faridsaniee Name OPEN-BRAIN Plugin Version 0.1 0.2 0.3 0.4 0.5.0 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.2 VulDB Meta Temp Score: 5.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.2 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.1 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: Cross-site request forgery CWE: CWE-352 / CWE-862 / CWE-863 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 03/12/2026 CVE reserved 04/15/2026 +33 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: Muhammad Nur Ibnu Hubab Status: Not defined CVE: CVE-2026-4091 (🔒) GCVE (CVE): GCVE-0-2026-4091 GCVE (VulDB): GCVE-100-357687 Entryinfo Created: 04/15/2026 11:46 Changes: 04/15/2026 11:46 (66) Complete: 🔍 Cache ID: 99:9EF:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸