CVE-2024-47885
astro's client-side router has DOM Clobbering Gadget that leads to XSS
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.
- Affected
- withastro · astro
- CVSS v3.1 NVD
- 5.4 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS v3.1 GITHUB
- 5.9 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:H - EPSS
- 0.45% chance of exploitation in the next 30 days, 37th percentile
- Published
- 2024-10-14
- Updated
- 2024-10-15
Proof-of-concept exploits (1)
Security advisories
- withastro/astro/security/advisories/GHSA-m85w-3h95-hcf9
- withastro/astro/commit/a4ffbfaa5cb460c12bd486fd75e36147f51d3e5e