PT-2026-31228 · Telepathy · Hello Bar Popup Builder

Published 2026-04-08 · Updated 2026-04-12 · CVE-2026-39666

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions telepathy Hello Bar Popup Builder versions through 1.5.1

Description A DOM-Based Cross-site Scripting issue exists in telepathy Hello Bar Popup Builder. This allows for improper neutralization of input during web page generation.

Recommendations Update to a version newer than 1.5.1.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-39666

Affected Products

Hello Bar Popup Builder

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-39666 · Security Note
• https://twitter.com/CVEnew/status/2043295733642592756 · Twitter Post
• https://twitter.com/infoflowcloud/status/2043297239649386822 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/hellobar/vulnerability/wordpress-hello-bar-popup-builder-plugin-1-5-1-cross-site-scripting-xss-vulnerability?_s_id=cve · Note