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Vulnerabilities

Vulnerability · CVE-2025-53528

Cadwyn creates production-ready community-driven modern Stripe-like API versioning in FastAPI.

Published Jul 21, 2025 · catalog updated Jul 23, 2025 · Cadwyn creates production-ready community-driven

Check this week

CVE-2025-53528 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run Cadwyn creates production-ready community-driven.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Cadwyn creates production-ready community-driven).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
26.00%
Remediation
Version ranges on file
Affected products
vendor zmievsa cadwyn < 5.4.4

Cadwyn creates production-ready community-driven modern Stripe-like API versioning in FastAPI. In versions before 5.4.3, the version parameter of the "/docs" endpoint is vulnerable to a Reflected XSS (Cross-Site Scripting) attack. This XSS would notably allow an attacker to execute JavaScript code on a user's session for any application based on Cadwyn via a one-click attack. The vulnerability has been fixed in version 5.4.3.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor zmievsa cadwyn < 5.4.4< 5.4.4

How to fix CVE-2025-53528

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-53528 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run Cadwyn creates production-ready community-driven.

Which versions are affected?

Compare what you have installed with zmievsa cadwyn < 5.4.4 < 5.4.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 26.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 21, 2025 · EUVD

    Detected

    Cadwyn creates production-ready community-driven modern Stripe-like API versioning in FastAPI. In versions before 5.4.3, the version parameter of the "/docs" endpoint is vulnerable to a Reflected XSS (Cross-Site Scripting) attack. This XSS would notably allow an attacker to execute JavaScript code on a user's session for any application based on Cadwyn via a one-click attack. The vulnerability has

  2. Jul 23, 2025 · EUVD

    Updated

    Cadwyn creates production-ready community-driven modern Stripe-like API versioning in FastAPI. In versions before 5.4.3, the version parameter of the "/docs" endpoint is vulnerable to a Reflected XSS (Cross-Site Scripting) attack. This XSS would notably allow an attacker to execute JavaScript code on a user's session for any application based on Cadwyn via a one-click attack. The vulnerability has

Sources

  • CVE.orgVulnerability recordCVE-2025-53528

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-22154

    Cadwyn creates production-ready community-driven modern Stripe-like API versioning in FastAPI. In versions before 5.4.3, the version parameter of the "/docs" endpoint is vulnerable to a Reflected XSS (Cross-Site Scripting) attack. This XSS would notably allow an attacker to execu

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Jul 23, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.