Home/CVE/The Astro web framework has a DOM Clobbering gadget in the client-side router starting in version 3.0.0 and prior to ver
CVE

CVE-2024-47885

The Astro web framework has a DOM Clobbering gadget in the client-side router starting in version 3.0.0 and prior to ver

The Astro web framework has a DOM Clobbering gadget in the client-side router starting in version 3.0.0 and prior to version 4.16.1. It can lead to cross-site scripting (XSS) in websites enables Astro's client-side routing and has stored attacker-controlled scriptless HTML elements (i.e., iframe tags with unsanitized name attributes) on the destination pages. This vulnerability can result in cross-site scripting (XSS) attacks on websites that built with Astro that enable the client-side routing with ViewTransitions and store the user-inserted scriptless HTML tags without properly sanitizing the name attributes on the page.

Version 4.16.1 contains a patch for this issue.

MEDIUM · CVSS 5.9 EPSS 0.0094
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
astro>= 3.0.0 and < 4.16.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm astro MODERATE fixed in 4.16.1
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Oct 2024 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/withastro/astro/blob/7814a6cad15f06931f963580176d9b38aa7819f2/packages/astro/src/transitions/router.ts#L135-L156Product
https://github.com/withastro/astro/commit/a4ffbfaa5cb460c12bd486fd75e36147f51d3e5ePatch
https://github.com/withastro/astro/security/advisories/GHSA-m85w-3h95-hcf9Vendor Advisory
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