CVE-2026-3875 | wpdevteam BetterDocs Plugin up to 4.3.8 on WordPress Shortcode betterdocs_feedback_form cross site scripting

VDB-357903 · CVE-2026-3875 · GCVE-0-2026-3875 WPDEVTEAM BETTERDOCS PLUGIN UP TO 4.3.8 ON WORDPRESS SHORTCODE BETTERDOCS_FEEDBACK_FORM CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.9 $0-$5k 1.58+ Summaryinfo A vulnerability was found in wpdevteam BetterDocs Plugin up to 4.3.8 on WordPress. It has been rated as problematic. The impacted element is the function betterdocs_feedback_form of the component Shortcode Handler. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2026-3875. The attack may be initiated remotely. There is no available exploit. Detailsinfo A vulnerability classified as problematic has been found in wpdevteam BetterDocs Plugin up to 4.3.8 on WordPress. This affects the function betterdocs_feedback_form of the component Shortcode Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is: The BetterDocs plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'betterdocs_feedback_form' shortcode in all versions up to, and including, 4.3.8. This is due to insufficient input sanitization and output escaping on user supplied shortcode attributes. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The weakness was presented by Muhammad Yudha. It is possible to read the advisory at wordfence.com. This vulnerability is uniquely identified as CVE-2026-3875 since 03/10/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. 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. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. 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 wpdevteam Name BetterDocs Plugin Version 4.3.0 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 4.3.6 4.3.7 4.3.8 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.9 VulDB Meta Temp Score: 4.9 VulDB Base Score: 3.5 VulDB Temp Score: 3.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.4 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 scripting CWE: CWE-79 / CWE-94 / CWE-74 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 03/10/2026 CVE reserved 04/16/2026 +36 days Advisory disclosed 04/16/2026 +0 days VulDB entry created 04/16/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Muhammad Yudha Status: Not defined CVE: CVE-2026-3875 (🔒) GCVE (CVE): GCVE-0-2026-3875 GCVE (VulDB): GCVE-100-357903 Entryinfo Created: 04/16/2026 09:20 Changes: 04/16/2026 09:20 (66) Complete: 🔍 Cache ID: 99:9DD:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸