Bootstrap Vulnerable to Cross-Site Scripting in its Popover and Tooltip Components
- Severity:
- Medium
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
- GHSA-q58r-hwc8-rm9j
- www.herodevs.com
- lists.debian.org
- CVE-2025-1647
- CWE-79
- CAPEC-310
- OWASP 2021-A3
- OWASP 2021-A6
Related Issues
- Astro development server error page is vulnerable to reflected Cross-site Scripting - CVE-2025-64745
- @tiptap/extension-link vulnerable to Cross-site Scripting (XSS) - CVE-2025-14284
- Bootstrap Vulnerable to Cross-Site Scripting - CVE-2019-8331
- Bootstrap Vulnerable to Cross-Site Scripting - bootstrap - CVE-2019-8331
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- Tags:
- npm
- bootstrap
Anything's wrong? Let us know Last updated on September 18, 2025


