CVE-2026-15386
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductMeow Gallery
PublishedAug 7, 2026
First seenAug 7, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Meow Gallery5.5.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Meow Gallery | v < 5.5.2 | 5.5.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.