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high·Web Vulnerabilities·Updated Nov 24, 2025

Astro - Reflected XSS via server islands feature

Est. Time~10 seconds
Scan TypeGroup Scan
Targetsdomain, subdomain, ipv4
CostFree
18
Times Used
continuous scan runs
9
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
7.1
CVSShigh
Exploitable remotely over the internet · no authentication required · user interaction needed.
Description

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.

Attack Vector
Network
Privileges Req.
None
User Interaction
Required
Affected
astroby withastro
< 5.15.8
Updated Nov 10, 2026View on NVD →

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