CVE-2026-88826
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductSmugMug Embed
PublishedOct 11, 2026
First seenOct 11, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| SmugMug Embed | v ≤ 3.13 | — |
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