CVE-2025-55303 affects Astro web framework versions prior to 5.13.2 and 4.16.18, allowing unauthorized third-party images to be served via the image optimization endpoint in projects utilizing on-demand rendering. This medium-severity vulnerability (CVSS 6.1) has a low attack complexity, requiring user interaction to bypass domain restrictions using protocol-relative URLs, potentially leading to information disclosure and integrity issues. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists, and community discussion and media coverage are currently minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.16.18CPE matchmatch criteria | cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:* | ||
>= 5.0.0, < 5.13.2CPE matchmatch criteria | cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.