MEDIUM

CVE-2025-64764

CVSS v3

5.4

MEDIUM

EPSS Score

0.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

astronpmall versions · fixed in 5.15.8

Full record on NVD

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.

Technical details

Published: 2025-11-19

Frequently asked questions

What is CVE-2025-64764?

Is CVE-2025-64764 actively exploited?

Active exploitation of CVE-2025-64764 has not been confirmed. Its EPSS score was 0.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-64764?

CVE-2025-64764 has a CVSS v3 base score of 5.4 (MEDIUM severity).

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