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.

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History

Wed, 11 Nov 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions meow Gallery
Vendors & Products Wordpress-extensions
Wordpress-extensions meow Gallery

Fri, 07 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 07 Aug 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Fri, 07 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title Meow Gallery < 5.5.2 - Author+ Stored XSS via Attachment Alt-Text
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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-07T18:09:25.060Z

Reserved: 2026-07-10T09:46:45.183Z

Link: CVE-2026-15386

cve-icon Vulnrichment

Updated: 2026-08-07T18:07:25.815Z

cve-icon NVD

Status : Deferred

Published: 2026-08-07T06:16:55.720

Modified: 2026-08-26T16:31:16.753

Link: CVE-2026-15386

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-11T15:03:27Z

Weaknesses