CVE-2026-88826

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.

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-10-11

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

References

• https://wpscan.com/vulnerability/6e8925b5-85a1-48e3-b744-df1c6fa24ed4/

Check your stackJSON