CVE-2024-47885

astro's client-side router has DOM Clobbering Gadget that leads to XSS

Description

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: withastro astro
Published at:
Updated at:

References

Link Tags
https://github.com/withastro/astro/security/advisories/GHSA-m85w-3h95-hcf9
https://github.com/withastro/astro/commit/a4ffbfaa5cb460c12bd486fd75e36147f51d3e5e
https://github.com/withastro/astro/blob/7814a6cad15f06931f963580176d9b38aa7819f2/packages/astro/src/transitions/router.ts#L135-L156

Frequently Asked Questions

What is the severity of CVE-2024-47885?
CVE-2024-47885 has been scored as a medium severity vulnerability.
How to fix CVE-2024-47885?
To fix CVE-2024-47885, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-47885 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-47885 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-47885?
CVE-2024-47885 affects withastro astro.
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