How severe is CVE-2025-64745?

CVE-2025-64745 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-64745 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-64745?

CVE-2025-64745 affects Astro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-64745?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-64745 have an EU (EUVD) identifier?

Yes. CVE-2025-64745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175382.

When was CVE-2025-64745 published?

CVE-2025-64745 was published on 2025-11-13 and last updated on 2026-06-17.

CVE-2025-64745

CVE-2025-64745 is a low-severity vulnerability in Astro with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-175382
Weakness: CWE-79
Affected product: Astro
Published: 2025-11-13
Last modified: 2026-06-17

Description

Astro is a web framework. Starting in version 5.2.0 and prior to version 5.15.6, a Reflected Cross-Site Scripting (XSS) vulnerability exists in Astro's development server error pages when the `trailingSlash` configuration option is used. An attacker can inject arbitrary JavaScript code that executes in the victim's browser context by crafting a malicious URL. While this vulnerability only affects the development server and not production builds, it could be exploited to compromise developer environments through social engineering or malicious links. Version 5.15.6 fixes the issue.

Frequently asked questions

What is CVE-2025-64745?: Astro is a web framework. Starting in version 5.2.0 and prior to version 5.15.6, a Reflected Cross-Site Scripting (XSS) vulnerability exists in Astro's development server error pages when the `trailingSlash` configuration option is used. An attacker can inject arbitrary JavaScript code that executes in the victim's browser context by crafting a malicious URL. While this vulnerability only affects the development server and not production builds, it could be exploited to compromise developer environments through social engineering or malicious links. Version 5.15.6 fixes the issue.
How severe is CVE-2025-64745?: CVE-2025-64745 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-64745 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-64745?: CVE-2025-64745 affects Astro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-64745?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-64745 have an EU (EUVD) identifier?: Yes. CVE-2025-64745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175382.
When was CVE-2025-64745 published?: CVE-2025-64745 was published on 2025-11-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*

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