CVE-2026-86798
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
The HootBoard WordPress plugin through 3.1.4 does not perform any authorisation check on some of its REST endpoints, and does not escape the values stored through them before outputting them in a public page, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of anyone visiting that page, including administrators.
Risk Assessment
The risk includes execution of malicious scripts in the administrator's browser context, which could lead to session hijacking, data theft, or further site compromise.
Recommendation
Immediately update the HootBoard plugin to the latest version and deploy a web application firewall (WAF) to block script injection attempts.
Related vulnerabilities
- CVE-2026-79876Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79875Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79874Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79873Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79872Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79871Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79870Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79869Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79868Critical
No vulnerability description was provided in the supplied NVD data. Technical details and the affected component cannot be determined from the available information.
- CVE-2026-79867Critical
No vulnerability description is available in the NVD. The nature and scope of the issue cannot be determined from the provided data.
Original NVD description (English source)
The HootBoard WordPress plugin through 3.1.4 does not perform any authorisation check on some of its REST endpoints, and does not escape the values stored through them before outputting them in a public page, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of anyone visiting that page, including administrators.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS