5.6

CVE-2025-1647: bootstrap Cross-site Scripting

CVSS: 5.6v3.1MediumDeferred
AliasesUBUNTU-CVE-2025-1647DEBIAN-CVE-2025-1647DLA-4204-1
Published 15-05-2025Last modified 09-10-2026

Vulnerability summary

CVE-2025-1647 is a medium (CVSS 5.6) Cross-site Scripting vulnerability in bootstrap. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.43%
0%100%
Low · +0.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1

Timeline

  1. 15-05-2025
    PublishedVulnerability first disclosed.
  2. 09-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

+0.12 pp

From 0.32% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard12 products
  • airflow-2All versions (No fix recorded)
  • airflow-core-2All versions (No fix recorded)
  • jupyter-base-notebookAll versions (No fix recorded)
  • keycloak-26.5All versions (No fix recorded)
  • keycloak-26.5-iamguarded-compatAll versions (No fix recorded)
Wolfi6 products
  • jupyter-base-notebookAll versions (No fix recorded)
  • keycloak-26.5All versions (No fix recorded)
  • keycloak-26.5-iamguarded-compatAll versions (No fix recorded)
  • keycloak-26.6All versions (No fix recorded)
  • keycloak-26.6-iamguarded-compatAll versions (No fix recorded)
Bootstrap1 product
Debian1 product
  • twitter-bootstrap3< 3.4.1+dfsg-3+deb12u2 | < 3.4.1+dfsg-5 | < 3.4.1+dfsg-2+deb11u2
Npm1 product
  • bootstrapEOL3.4.1
Ubuntu1 product
  • twitter-bootstrap3All versions (No fix recorded)

6 vendors · 22 products

References

8 links