CVE-2025-1647

XSS in Bootstrap title attribute for Tooltip and Popover

State: Published
Severity: 5.6 Medium
Published: May 15, 2025
Updated: Oct 9, 2026
Reserved: Feb 24, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.6 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	HeroDevs

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
BootstrapBootstrap	3.4.1 to before 4.0.0Affected

References

https://www.herodevs.com/vulnerability-directory/cve-2025-1647
https://lists.debian.org/debian-lts-announce/2025/06/msg00001.html
https://lists.debian.org/debian-lts-announce/2026/10/msg00023.html

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