CVE-2025-1647

Bootstrap Vulnerable to Cross-Site Scripting in its Popover and Tooltip Components

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Bootstrap allows Cross-Site Scripting (XSS). This issue affects Bootstrap version 3.4.1. At time of publication, there is no publicly available patched version.

Patch Available

Fix available through Seal Security.  
No upgrade required, protect your application instantly.

Fix without upgrading

Score

5.6

Severity

Medium

Ecosystem

JavaScript

Publish Date

May 15, 2025

Modified Date

February 3, 2026

Score Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Versions