CVE-2026-17528

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-28 · updated 2026-07-30
Weakness: CWE-79

Description

Versions of the package nice-select2 before 2.4.1 are vulnerable to Cross-site Scripting (XSS) via the <select> element. An attacker can supply a malicious payload that is rendered directly into the DOM without proper sanitization, causing arbitrary script execution in a victim’s browser when they view or interact with the affected page.

Affected products

nice-select2: before 2.4.1 — fixed in 2.4.1

How to fix

Upgrade to a fixed version: nice-select2 2.4.1. Check the vendor advisory for mitigations.

References

https://github.com/bluzky/nice-select2/commit/ea23ff404e186f6e2a64a25c530f93165fd2ad26
https://github.com/bluzky/nice-select2/issues/97
https://security.snyk.io/vuln/SNYK-JS-NICESELECT2-13638683

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