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Vulnerability Details :

CVE-2025-64764

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-19 Nov, 2025 | 16:41
Updated At-19 Nov, 2025 | 21:07
Rejected At-
Credits

Astro is vulnerable to Reflected XSS via the server islands feature

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:19 Nov, 2025 | 16:41
Updated At:19 Nov, 2025 | 21:07
Rejected At:
â–¼CVE Numbering Authority (CNA)
Astro is vulnerable to Reflected XSS via the server islands feature

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 Products
Vendor
withastro
Product
astro
Versions
Affected
  • < 5.15.8
Problem Types
TypeCWE IDDescription
CWECWE-80CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Type: CWE
CWE ID: CWE-80
Description: CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Metrics
VersionBase scoreBase severityVector
3.17.1HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723
x_refsource_CONFIRM
https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91
x_refsource_MISC
Hyperlink: https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91
Resource:
x_refsource_MISC
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:19 Nov, 2025 | 17:15
Updated At:20 Nov, 2025 | 17:54

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.1HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Primary3.15.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Type: Primary
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CPE Matches
astro
astro
>>astro>>Versions before 5.15.8(exclusive)
cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*
Weaknesses
CWE IDTypeSource
CWE-80Primarysecurity-advisories@github.com
CWE ID: CWE-80
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91security-advisories@github.com
Patch
https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723security-advisories@github.com
Exploit
Vendor Advisory
Hyperlink: https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723
Source: security-advisories@github.com
Resource:
Exploit
Vendor Advisory

Change History

0
Information is not available yet

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