CVE-2026-4766

Description

The Easy Image Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Gallery shortcode post meta field in all versions up to, and including, 1.5.3. This is due to insufficient input sanitization and output escaping on user-supplied gallery shortcode values. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

PUBLISHED Reserved 2026-03-24 | Published 2026-03-25 | Updated 2026-04-08 | Assigner Wordfence

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Timeline

Credits

Athiwat Tiprasaharn finder

Itthidej Aramsri finder

Waris Damkham finder

References

www.wordfence.com/...-c2bd-4601-b8d5-0effe43705a5?source=cve

plugins.trac.wordpress.org/...ncludes/template-functions.php

plugins.trac.wordpress.org/...ncludes/template-functions.php

cve.org (CVE-2026-4766)

nvd.nist.gov (CVE-2026-4766)

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