CVE-2025-64764: Astro is vulnerable to Reflected XSS via the server islands feature
withastro · astro
Affected: withastro astro · Exploitation: check available, not yet exploited
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 45% of scored CVEs
DescriptionCVE.org
Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- withastro · astro< 5.15.8
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Check available, not yet exploited. A public nuclei template can confirm it on a system you are authorised to test.
- CISA KEV
- Not listed
- Public check
- Astro - Reflected XSS via server islands feature · nuclei template in projectdiscovery/nuclei-templates
- Vendor
- withastro
- Published
- November 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-64764 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.