PT-2026-3962 · Benjamin Intal · Stackable

Published 2026-01-22 · Updated 2026-01-25 · CVE-2025-47500

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Stackable versions through 3.19.5

Description A flaw exists in Benjamin Intal Stackable stackable-ultimate-gutenberg-blocks that allows for Stored Cross-site Scripting (XSS). This issue is due to improper neutralization of input during web page generation. The vulnerability could potentially allow an attacker to inject malicious scripts into web pages viewed by other users.

Recommendations Update Stackable to a version newer than 3.19.5.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-47500

Affected Products

Stackable

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2025-47500 · Security Note
• https://twitter.com/CVEnew/status/2015448708788130082 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/stackable-ultimate-gutenberg-blocks/vulnerability/wordpress-stackable-plugin-3-19-5-cross-site-scripting-xss-vulnerability?_s_id=cve · Note