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Vulnerability record · CVE-2021-24823 · published 28 February 2022

CVE-2021-24823: Schiocco support board cross-site request forgery vulnerability

Schiocco · Support Board

The Support Board WordPress plugin before 3.3.6 does not have any CSRF checks in actions handled by the include/ajax.php file, which could allow attackers to make logged in users do unwanted actions. For example, make an admin delete arbitrary files

8.1 CVSS 3.1 High EPSS 0.55% · top 56.2% CWE-352 · Cross-site request forgery
8.1CVSS 3.1 base score, v2 4.9
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Support Board WordPress plugin before 3.3.6 does not have any CSRF checks in actions handled by the include/ajax.php file, which could allow attackers to make logged in users do unwanted actions. For example, make an admin delete arbitrary files

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://noob3xploiter.medium.com/support-board-3-3-4-arbitrary-file-deletion-to-remote-code-execution-da4c45b45c83 ExploitThird Party Advisory
https://wpscan.com/vulnerability/1bdebd9e-a7f2-4f55-b5b0-185eb619ebaf ExploitThird Party Advisory
https://noob3xploiter.medium.com/support-board-3-3-4-arbitrary-file-deletion-to-remote-code-execution-da4c45b45c83 ExploitThird Party Advisory
https://wpscan.com/vulnerability/1bdebd9e-a7f2-4f55-b5b0-185eb619ebaf ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-4828Schiocco support board path traversal vulnerabilityThe Support Board plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the sb_file_delete functi…EPSS 0.83%9.8CVE-2025-4855Schiocco support board insecure direct object reference vulnerabilityThe Support Board plugin for WordPress is vulnerable to unauthorized access/modification/deletion of data due to use of hardcoded default secrets in …EPSS 0.34%8.7CVE-2026-4815Schiocco support board sql injection vulnerabilityA SQL Injection vulnerability has been found in Support Board v3.7.7. This vulnerability allows an attacker to retrieve, create, update and delete da…EPSS 0.43%5.4CVE-2021-24807Schiocco support board cross-site scripting vulnerabilityThe Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in t…EPSS 1.4%4.8CVE-2026-4816Schiocco support board cross-site scripting vulnerabilityA Reflected Cross Site Scripting (XSS) vulnerability has been found in Support Board v3.7.7. This vulnerability allows an attacker to execute JavaScr…EPSS 0.23%9.4CVE-2025-62593Ray browser-based RCE via insufficient User-Agent guardRay, an AI compute engine, contains a critical remote code execution flaw before version 2.52.0. Its defense against browser-based attacks relies on …KEVEPSS 62%analysed8.1CVE-2008-4128Cisco IOS HTTP Administration CSRF allows arbitrary command executionThe HTTP Administration component in Cisco IOS 12.4 on the 871 Integrated Services Router is vulnerable to multiple cross-site request forgery flaws.…KEVEPSS 34%analysed8.8CVE-2023-2533PaperCut NG/MF CSRF allows admin security setting changes and code executionPaperCut NG and MF contain a cross-site request forgery flaw that, under specific conditions, lets an attacker change security settings or execute ar…KEVEPSS 29%analysed

Source: NIST National Vulnerability Database (record CVE-2021-24823), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.