All vulnerabilities
CVE-2025-1647GHSA-q58r-hwc8-rm9j

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

Bootstrap bootstrapnpmLibraries & packages
Open in ThreatlineRecord JSON
CVSS
5.6Medium
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 15 May 2025. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.43%Chance of exploitation activity in the next 30 days, higher than 36% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.0.0Fixed versionCVE List
Published15 May 2025Updated 9 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 3

  • bootstrap, npm= 3.4.1GitHub
  • Bootstrapaffected: 3.4.1 before 4.0.0CVE List
  • bootstrap, npm3.4.1OSV

References 5