CVE-2026-1830 | davidfcarr Quick Playground Plugin up to 1.3.1 on WordPress REST API Endpoint authorization (EUVD-2026-20843)

VDB-356498 · CVE-2026-1830 · EUVD-2026-20843 DAVIDFCARR QUICK PLAYGROUND PLUGIN UP TO 1.3.1 ON WORDPRESS REST API ENDPOINT AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.4 $0-$5k 1.59+ Summaryinfo A vulnerability, which was classified as critical, was found in davidfcarr Quick Playground Plugin up to 1.3.1 on WordPress. Affected is an unknown function of the component REST API Endpoint. Such manipulation leads to authorization. This vulnerability is listed as CVE-2026-1830. The attack may be performed from remote. There is no available exploit. Detailsinfo A vulnerability was found in davidfcarr Quick Playground Plugin up to 1.3.1 on WordPress. It has been rated as critical. Affected by this issue is some unknown functionality of the component REST API Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes: The Quick Playground plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.1. This is due to insufficient authorization checks on REST API endpoints that expose a sync code and allow arbitrary file uploads. This makes it possible for unauthenticated attackers to retrieve the sync code, upload PHP files with path traversal, and achieve remote code execution on the server. The weakness was presented by Athiwat Tiprasaharn, Itthidej Aramsri, Vilaysone Chanthavong and Waris Damkham. The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-1830 since 02/03/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/09/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-20843). Productinfo Type WordPress Plugin Vendor davidfcarr Name Quick Playground Plugin Version 1.3.0 1.3.1 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: 7.1 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: 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 02/03/2026 CVE reserved 04/09/2026 +64 days Advisory disclosed 04/09/2026 +0 days VulDB entry created 04/09/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Athiwat Tiprasaharn, Itthidej Aramsri, Vilaysone Chanthavong, Waris Damkham Status: Not defined CVE: CVE-2026-1830 (🔒) GCVE (CVE): GCVE-0-2026-1830 GCVE (VulDB): GCVE-100-356498 EUVD: 🔒 Entryinfo Created: 04/09/2026 08:08 Updated: 04/09/2026 08:38 Changes: 04/09/2026 08:08 (64), 04/09/2026 08:38 (1) Complete: 🔍 Cache ID: 99:AA3:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸