---
id: CVE-2026-88826
title: >-
  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
  stor…
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
  stor…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-79
  - CWE-352
published: '2026-10-11'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T20:36:00.850'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88826'
references:
  - url: 'https://wpscan.com/vulnerability/6e8925b5-85a1-48e3-b744-df1c6fa24ed4/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00152
epssPercentile: 0.04326
ingestedAt: '2026-10-11T08:44:24.723Z'
product: SmugMug Embed
affected:
  - smugmug_embed <= 3.13
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-11T11:20:42.707723Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.