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Vulnerabilities

Vulnerability · CVE-2025-39508

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Nasa Core nasa-core allows Reflected XSS.This issue affects Nasa Cor

Published Jun 17, 2025 · catalog updated May 12, 2026 · NasaTheme Nasa Core

Check this week

CVE-2025-39508 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run NasaTheme Nasa Core.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
26.00%
Remediation
Advisory link
Affected products
vendor NasaTheme Nasa Core 0 ≤6.4.4

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Nasa Core nasa-core allows Reflected XSS.This issue affects Nasa Core: from n/a through <= 6.4.4.

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 NasaTheme Nasa Core 0 ≤6.4.40 ≤6.4.4

How to fix CVE-2025-39508

  • Recommended remediation

    A patch or advisory reference is linked. Open the original publisher for availability by product version.

  • Official advisories

What to do

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

Should you patch?

CVE-2025-39508 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run NasaTheme Nasa Core.

Which versions are affected?

Compare what you have installed with NasaTheme Nasa Core 0 ≤6.4.4 0 ≤6.4.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 26.00%. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 17, 2025 · EUVD

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Nasa Core nasa-core allows Reflected XSS.This issue affects Nasa Core: from n/a through <= 6.4.4.

  2. May 12, 2026 · EUVD

    Updated

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Nasa Core nasa-core allows Reflected XSS.This issue affects Nasa Core: from n/a through <= 6.4.4.

Sources

  • EUVDVulnerability recordEUVD-2025-18542

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Nasa Core nasa-core allows Reflected XSS.This issue affects Nasa Core: from n/a through <= 6.4.4.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.