CVE-2026-17528Public exploitNetwork attack vector

Script execution via unsanitized select option content

Published Jul 28, 2026 · Updated Jul 28, 2026

Cross-site scripting in bluzky nice-select2 before 2.4.1 allows remote attackers to execute JavaScript through crafted select content. The dropdown renderer copies option display content into generated current-value and list-item DOM nodes as HTML without sanitization. A victim must view or interact with a page whose select content is attacker-controlled; the script then runs within that page's browser origin.

CVSS severity5.3
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in bluzky nice-select2 before 2.4.1 allows remote attackers to execute JavaScript through crafted select content. The dropdown renderer copies option display content into generated current-value and list-item DOM nodes as HTML without sanitization. A victim must view or interact with a page whose select content is attacker-controlled; the script then runs within that page's browser origin.

The record

CVE
CVE-2026-17528
Published
Jul 28, 2026
Updated
Jul 28, 2026
Vendor
bluzky
Product
nice-select2
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2.4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

bluzky · nice-select2version=0 <2.4.1

Published CVSS scores

5.3SnykCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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