CVE-2025-1647 XSS in Bootstrap title attribute for Tooltip and Popover
An attacker can execute arbitrary scripts in a victim's browser via malicious input in Bootstrap Tooltip or Popover title attributes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-1647?
CVE-2025-1647 is a medium-severity cross-site scripting vulnerability in Bootstrap, published on 15 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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: from 3.4.1 before 4.0.0.
Weakness: CWE-79
Which versions are affected by CVE-2025-1647?
2 open source packages ship an affected version, including bootstrap.
| Package | Affected | Fixed in |
|---|---|---|
bootstrap npm | All versions | None |
bootstrap npm | All versions | None |
How do I fix CVE-2025-1647?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-1647 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-1647 exists.
Sources
Also known as DEBIAN-CVE-2025-1647, DLA-4204-1, GHSA-q58r-hwc8-rm9j, ROOT-APP-NPM-CVE-2025-1647, UBUNTU-CVE-2025-1647.