Vulnerability library
Security checkSeptember 18, 2025

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

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Medium severitynpmbootstrap

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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.

Recommendation

No fix is available yet. Followings are affected versions:

  • = 3.4.1

References

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See something that needs correcting? Let us knowUpdated September 18, 2025