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Medium severity6.1NVD Advisory· Published Mar 11, 2026· Updated May 7, 2026

CVE-2026-3884

CVE-2026-3884

Description

Versions of the package spin.js before 3.0.0 are vulnerable to Cross-site Scripting (XSS) via the spin() function that allows a creation of more than 1 alert for each 'target' element. An attacker would need to set an arbitrary key-value pair on Object.prototype through a crafted URL achieving a prototype pollution first, before being able to execute arbitrary JavaScript in the context of the user's browser.

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Affected products

2
  • Spin.js/Spin.js2 versions
    cpe:2.3:a:spin.js:spin.js:*:*:*:*:*:node.js:*:*+ 1 more
    • cpe:2.3:a:spin.js:spin.js:*:*:*:*:*:node.js:*:*range: <3.0.0
    • (no CPE)range: <3.0.0

Patches

Vulnerability mechanics

References

2

News mentions

0

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