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bootstrap@5.0.0-alpha1 vulnerabilities

The most popular front-end framework for developing responsive, mobile first projects on the web.

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Direct Vulnerabilities

Known vulnerabilities in the bootstrap package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Cross-site Scripting (XSS)

bootstrap is a popular front-end framework for faster and easier web development.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) due to inadequate sanitization of the href attribute, belonging to an <a> tag, in the carousel component. An attacker can execute arbitrary JavaScript within the victim's browser by injecting malicious code into the data-slide or data-slide-to attributes.

Notes:

  1. Exploiting this vulnerability is also possible when the data_target attribute doesn’t exist or can’t be found, allowing the bypass of the clickHandler functionality.

How to fix Cross-site Scripting (XSS)?

Upgrade bootstrap to version 5.0.0-beta1 or higher.

<5.0.0-beta1
  • M
Cross-site Scripting (XSS)

bootstrap is a popular front-end framework for faster and easier web development.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) in the carousel component through the href attribute of an <a> tag due to inadequate sanitization. An attacker can execute arbitrary JavaScript within the victim's browser by crafting malicious input in the data-slide attribute.

Notes:

  1. Exploiting this vulnerability is also possible when the data_target attribute doesn’t exist or can’t be found, allowing the bypass of the clickHandler functionality.

How to fix Cross-site Scripting (XSS)?

Upgrade bootstrap to version 5.0.0-beta1 or higher.

>=4.0.0 <5.0.0-beta1
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