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.
Published: 2026-08-07
Score: 5.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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
References

Subscriptions

No data.

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 : Received

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

Modified: 2026-08-07T19:17:35.853

Link: CVE-2026-15386

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-07T21:00:14Z

Weaknesses