PT-2026-27635 · WordPress · Easy Image Gallery

Athiwat Tiprasaharn + 2 · Published 2026-03-25 · Updated 2026-04-04 · CVE-2026-4766

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Easy Image Gallery versions prior to 1.5.4

Description The Easy Image Gallery plugin for WordPress is susceptible to Stored Cross-Site Scripting through the Gallery shortcode post meta field. Insufficient input sanitization and output escaping of user-supplied gallery shortcode values allows authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the affected page.

Recommendations Update Easy Image Gallery to version 1.5.4 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-4766

Affected Products

Easy Image Gallery

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-4766 · Security Note
• https://twitter.com/VulmonFeeds/status/2036672314251567551 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/e7279f74-c2bd-4601-b8d5-0effe43705a5?source=cve · Note
• https://plugins.trac.wordpress.org/browser/easy-image-gallery/trunk/includes/template-functions.php#L240 · Note
• https://plugins.trac.wordpress.org/browser/easy-image-gallery/tags/1.5.3/includes/template-functions.php#L240 · Note
• https://twitter.com/cyberbivash/status/2036677656410743198 · Twitter Post
• https://twitter.com/CVEarity/status/2040321124698038781 · Twitter Post