Vulnerability · Published Jun 26, 2025 · Assigned by VulnCheck
CVE-2025-34045WeiPHP Path Traversal Arbitrary File Read
High 8.7
In plain English
A high-severity path traversal in WeiPHP from Shenzhen Yuanmengyun Technology Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.2% (higher than 91% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Official description
A path traversal vulnerability exists in WeiPHP 5.0, an open source WeChat public account platform development framework by Shenzhen Yuanmengyun Technology Co., Ltd. The flaw occurs in the picUrl parameter of the /public/index.php/material/Material/_download_imgage endpoint, where insufficient input validation allows unauthenticated remote attackers to perform directory traversal via crafted POST requests. This enables arbitrary file read on the server, potentially exposing sensitive information such as configuration files and source code. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Shenzhen Yuanmengyun Technology Co., Ltd. | WeiPHP | 5.0 |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N