Support Board < 3.3.6 - Arbitrary File Deletion via CSRF
Priority LOW 36CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
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
Why it matters now
EPSS 0.0055 46th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Support Board (Unknown): 3.3.6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Support Board | 3.3.6 to before 3.3.6 | 3.3.6 | Patch available | CNA |
- Support Board VendorUnknown Affected 3.3.6 to before 3.3.6 Fixed in 3.3.6 Patch available CNA
Remediation
- Fix · CNA Support Board (Unknown) Fixed in 3.3.6
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24823
- 2026-10-03 Alias added: GHSA-v252-c336-2rvr
References
More Schiocco Support Board vulnerabilities
- TI-2025-04323 Support Board <= 3.8.0 - Unauthenticated Arbitrary File Deletion CVSS 3.1CRITICAL 9.8
- TI-2025-04348 Support Board <= 3.8.0 - Unauthenticated Authorization Bypass due to Use of Default Secret Key CVSS 3.1CRITICAL 9.8
- TI-2026-04199 SQL Injection vulnerability in Support Board CVSS 4.0HIGH 8.7
- TI-2021-07089 Support Board < 3.3.5 - Agent+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4
- TI-2026-04200 Reflected Cross Site Scripting (XSS) vulnerability in Support Board CVSS 4.0MEDIUM 4.8
Sources
- CVE-2021-24823 · CVE Program
- CVE-2021-24823 · NVD
- FIRST EPSS
- GHSA-v252-c336-2rvr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences