Name: CVE-2026-15386: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2026-08-07T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-15386, CWE-79, CVSS 5.4, EPSS 0.00226

The Meow Gallery WordPress plugin before 5.5.2 does not escape an attachment's alt text before outputting it into an attribute of the link it builds for linked galleries, allowing users with the Author role or above to store a JavaScript payload that executes in the browser of any visitor (including administrators) who views a post containing such a gallery.

CVSS Details

CVSS 3.1 Base Score: 5.4
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Meow Gallery Plugin	—	Update meow-gallery plugin to version 5.5.2, or a newer patched version	Aug 17, 2026	Aug 3, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence