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Medium, CVSS 6.1amended

Bootstrap Cross-site Scripting vulnerability

CVE-2018-14041GHSA-pj7m-g53m-7638

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (bootstrap.sass 4.1.2; org.webjars:bootstrap 4.1.2; bootstrap 4.1.2; bootstrap 4.1.2; twbs/bootstrap 4.1.2; 3 more packages under Affected packages), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • NuGet bootstrap.sass

    Affected
    >= 4.0.0, < 4.1.2
    Fixed in
    4.1.2

  • Maven org.webjars:bootstrap

    Affected
    >= 4.0.0, < 4.1.2
    Fixed in
    4.1.2

  • npm bootstrap

    Affected
    >= 4.0.0, < 4.1.2
    Fixed in
    4.1.2

  • NuGet bootstrap

    Affected
    >= 4.0.0, < 4.1.2
    Fixed in
    4.1.2

  • Packagist twbs/bootstrap

    Affected
    >= 4.0.0, < 4.1.2
    Fixed in
    4.1.2

  • Packagist typo3/cms-core

    Affected
    >= 8.0.0, < 8.7.23>= 9.0.0, < 9.5.4
    Fixed in
    8.7.23, 9.5.4

  • Packagist typo3/cms

    Affected
    >= 8.0.0, < 8.7.23>= 9.0.0, < 9.5.4
    Fixed in
    8.7.23, 9.5.4

  • RubyGems bootstrap

    Affected
    >= 4.0.0, < 4.1.2
    Fixed in
    4.1.2

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
6.1 · CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
  • CVE-2018-14041: 4.31% estimated exploitation activity in the next 30 days; percentile 91.17 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

In Bootstrap 4.x before 4.1.2, XSS is possible in the data-target property of scrollspy. This is similar to CVE-2018-14042.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-pj7m-g53m-7638

  2. Revision 1 · created ·

    Published from osv record GHSA-pj7m-g53m-7638

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2018-14041

Advisory: Bootstrap Cross-site Scripting vulnerability
IDs: CVE-2018-14041, GHSA-pj7m-g53m-7638
Record: https://patchnext.com/advisories/cve-2018-14041 (revision 2, source checked 26 Oct 2026, 12:38 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: bootstrap.sass 4.1.2; org.webjars:bootstrap 4.1.2; bootstrap 4.1.2; bootstrap 4.1.2; twbs/bootstrap 4.1.2; typo3/cms-core 9.5.4, 8.7.23; typo3/cms 9.5.4, 8.7.23; bootstrap 4.1.2. A vendor fix does not mean a deployment is fixed.

## Affected components
- NuGet bootstrap.sass: affected >= 4.0.0, < 4.1.2; fixed in 4.1.2
- Maven org.webjars:bootstrap: affected >= 4.0.0, < 4.1.2; fixed in 4.1.2
- npm bootstrap: affected >= 4.0.0, < 4.1.2; fixed in 4.1.2
- NuGet bootstrap: affected >= 4.0.0, < 4.1.2; fixed in 4.1.2
- Packagist twbs/bootstrap: affected >= 4.0.0, < 4.1.2; fixed in 4.1.2
- Packagist typo3/cms-core: affected >= 8.0.0, < 8.7.23; >= 9.0.0, < 9.5.4; fixed in 8.7.23, 9.5.4
- Packagist typo3/cms: affected >= 8.0.0, < 8.7.23; >= 9.0.0, < 9.5.4; fixed in 8.7.23, 9.5.4
- RubyGems bootstrap: affected >= 4.0.0, < 4.1.2; fixed in 4.1.2

## Suggested inspection (read-only)
- NuGet bootstrap.sass: check the installed version with your package manager.
- Maven org.webjars:bootstrap: check the installed version with your package manager.
- `npm ls bootstrap --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.
- NuGet bootstrap: check the installed version with your package manager.
- Packagist twbs/bootstrap: check the installed version with your package manager.
- Packagist typo3/cms-core: check the installed version with your package manager.
- Packagist typo3/cms: check the installed version with your package manager.
- RubyGems bootstrap: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on bootstrap.sass, org.webjars:bootstrap, bootstrap, twbs/bootstrap, typo3/cms-core, typo3/cms.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-pj7m-g53m-7638 (OSV record GHSA-pj7m-g53m-7638 lists affected ranges: npm bootstrap >=4.0.0 =8.0.0 =9.0.0 =8.0.0 =9.0.0 =4.0.0 =4.0.0 =4.0.0 =4.0.0 =4.0.0 <4.1.2 (fixed))
- Verified: https://github.com/advisories/GHSA-pj7m-g53m-7638 (GitHub-reviewed advisory GHSA-pj7m-g53m-7638 lists affected ranges: npm bootstrap >=4.0.0 =8.0.0 =9.0.0 =8.0.0 =9.0.0 =4.0.0 =4.0.0 =4.0.0 =4.0.0 =4.0.0 <4.1.2)

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