CVE-2026-88826
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk4th percentile - higher than 4% of all known CVEs
Summary
The SmugMug Embed WordPress plugin through 3.13 does not have authorisation or CSRF checks on an AJAX action that stores gallery data, and does not sanitise or escape that data before outputting it, allowing unauthenticated users to store arbitrary web scripts that execute when an administrator views the SmugMug Embed WordPress plugin through 3.13's settings screen.
Risk Assessment
Stored XSS can lead to administrator session hijacking, data theft, or spreading malware to site visitors.
Recommendation
Update the SmugMug Embed plugin to the latest version that includes security fixes. If not available, consider removing or disabling it until a patch is released.
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 SmugMug Embed WordPress plugin through 3.13 does not have authorisation or CSRF checks on an AJAX action that stores gallery data, and does not sanitise or escape that data before outputting it, allowing unauthenticated users to store arbitrary web scripts that execute when an administrator views the SmugMug Embed WordPress plugin through 3.13's settings screen.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS