Description
This was not a security issue in Bootstrap. Bootstrap’s JavaScript is not intended to sanitize unsafe or intentionally dangerous HTML. As such, the reported behavior fell outside the scope of Bootstrap’s security model, and the associated CVE has been rescinded.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 11 | twitter-bootstrap4 | 4.5.2+dfsg1-8~deb11u2 | DLA-4125-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | twitter-bootstrap3 | 3.4.1+dfsg-3+deb12u1build0.24.04.1 | USN-7556-1 |
| Ubuntu 24.04 LTS | twitter-bootstrap4 | 4.6.1+dfsg1-4+deb12u1build0.24.04.1 | USN-7556-1 |
| Ubuntu 22.04 LTS | twitter-bootstrap3 | 3.4.1+dfsg-2+deb11u2build0.22.04.1 | USN-7556-1 |
| Ubuntu 22.04 LTS | twitter-bootstrap4 | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | twitter-bootstrap4 | 4.6.0+dfsg1-4ubuntu0.1~esm1 | USN-7556-1 |
| Ubuntu Pro 20.04 LTS | twitter-bootstrap3 | 3.4.1+dfsg-1ubuntu0.1~esm1 | USN-7556-1 |
| Ubuntu Pro 20.04 LTS | twitter-bootstrap4 | 4.4.1+dfsg1-2ubuntu0.1~esm1 | USN-7556-1 |
| Ubuntu Pro 18.04 LTS | twitter-bootstrap3 | 3.3.7+dfsg-2ubuntu0.1~esm1 | USN-7556-1 |
| Ubuntu Pro 16.04 LTS | twitter-bootstrap3 | 3.3.6+dfsg-1ubuntu0.1~esm1 | USN-7556-1 |
Advisories 5
- WID-SEC-2024-1606 Bootstrap: Mehrere Schwachstellen ermöglichen Cross-Site Scripting BSI CERT-Bund (WID) · Oct 8, 2026
- USN-7556-1 twitter-bootstrap3, twitter-bootstrap4 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- WID-SEC-2025-1905 IBM QRadar SIEM Komponente: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 4, 2026
- WID-SEC-2024-3674 Splunk Splunk Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 25, 2026
- DLA-4125-1 twitter-bootstrap4 - security update Debian Security (DSA / DLA) · May 26, 2025