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Vulnerabilities

Vulnerability · CVE-2025-66090

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sonalsinha21 SKT Skill Bar skt-skill-bar allows DOM-Based XSS.This issue affec

Published Nov 21, 2025 · catalog updated Apr 28, 2026 · SKT Skill Bar

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66090. EPSS is 0.17%. Act only if a listed version of SKT Skill Bar is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.17%
Remediation
Advisory link
Affected products
vendor sonalsinha21 SKT Skill Bar 0 ≤2.5

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sonalsinha21 SKT Skill Bar skt-skill-bar allows DOM-Based XSS.This issue affects SKT Skill Bar: from n/a through <= 2.5.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor sonalsinha21 SKT Skill Bar 0 ≤2.50 ≤2.5

How to fix CVE-2025-66090

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66090. EPSS is 0.17%. Act only if a listed version of SKT Skill Bar is installed.

Which versions are affected?

Compare what you have installed with sonalsinha21 SKT Skill Bar 0 ≤2.5 0 ≤2.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.17%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 21, 2025 · EUVD

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sonalsinha21 SKT Skill Bar skt-skill-bar allows DOM-Based XSS.This issue affects SKT Skill Bar: from n/a through <= 2.5.

  2. Apr 28, 2026 · EUVD

    Updated

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sonalsinha21 SKT Skill Bar skt-skill-bar allows DOM-Based XSS.This issue affects SKT Skill Bar: from n/a through <= 2.5.

Sources

  • CVE.orgVulnerability recordCVE-2025-66090

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66090

    30-day exploitation probability 0.17%

    first.org
  • EUVDVulnerability recordEUVD-2025-198458

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sonalsinha21 SKT Skill Bar skt-skill-bar allows DOM-Based XSS.This issue affects SKT Skill Bar: from n/a through <= 2.5.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026