Vulnerability library
Security checkDecember 31, 2025

vue-template-compiler vulnerable to client-side Cross-Site Scripting (XSS)

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Medium severitynpmvue-template-compiler

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Description

A vulnerability has been discovered in vue-template-compiler, that allows an attacker to perform XSS via prototype pollution. The attacker could change the prototype chain of some properties such as Object.prototype.staticClass or Object.prototype.staticStyle to execute arbitrary JavaScript code. Vue 2 has reached End-of-Life.

Recommendation

No fix is available yet. Followings are affected versions:

  • >= 2.0.0, < 3.0.0

References

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See something that needs correcting? Let us knowUpdated December 31, 2025