What is CVE-2026-25345?

CVE-2026-25345 is a critical-severity vulnerability in Gallerycreator Simply Gallery, classified under Improper Validation of Specified Quantity in Input. CVSS score: 9.9/10. Published 2026-03-25.

How severe is CVE-2026-25345?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Gallerycreator Simply Gallery

CVE-2026-25345

Improper Validation of Specified Quantity in Input vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects SimpLy Gallery: from n/a through <= 3…

EPSS: 0.001 (26.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Gallerycreator Simply Gallery — versions 0

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

patchstack.com/database/Wordpress/Plugin/simply-gallery-block/vulnerability/wor… (vdb-entry)

Frequently asked questions

What is CVE-2026-25345?: CVE-2026-25345 is a critical-severity vulnerability in Gallerycreator Simply Gallery, classified under Improper Validation of Specified Quantity in Input. CVSS score: 9.9/10. Published 2026-03-25.
How severe is CVE-2026-25345?: Critical severity. CVSS v3 base score is 9.9 out of 10.