HIGH

CVE-2026-88826

CVSS v3

8.8

HIGH

EPSS Score

—

exploit probability

CISA KEV

known exploited

Exploitation

—

SSVC status

Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-88826 yet.

Full record on NVD

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2026-10-11
Last Modified: 2026-10-11

Frequently asked questions

What is CVE-2026-88826?

Is CVE-2026-88826 actively exploited?

Active exploitation of CVE-2026-88826 has not been confirmed.

What is the CVSS score for CVE-2026-88826?

CVE-2026-88826 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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