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CVE-2025-54793

33
FAUCET Score

CVE-2025-54793 describes an Open Redirect vulnerability in Astro versions 5.2.0 through 5.12.7, specifically impacting sites using on-demand rendering (SSR) with Node or Cloudflare adapters. An attacker can craft URLs with double slashes to redirect users to arbitrary external domains, increasing the risk of phishing and social engineering. Rated Medium severity (CVSS 6.1), this vulnerability requires user interaction (UI:R) and has low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.2.0, < 5.12.7CPE matchmatch criteria
cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

5.5MEDIUM

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:P/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2025-54793 · Mar 24, 2026
This CVE's current EPSS score of 0.0061 is in the 49th percentile among its peer group of 26,234 CVEs.

Social Chatter

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.

Media 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.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: astroFixed in: 5.12.8

Vendor Advisories (1)

npmGHSA-cq8c-xv66-36gwmedium

Astros's duplicate trailing slash feature leads to an open redirection security issue

Aug 7, 2025

References

github.com / withastro/astro/commit/0567fb7b50c0c452be387dd7c7264b96bedab48f
Patch
github.com / withastro/astro/security/advisories/GHSA-cq8c-xv66-36gw
Third Party Advisory