zwczou WeChat SDK Python to_xml xml external entity reference
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
A vulnerability was found in zwczou WeChat SDK Python 0.3.0 and classified as critical. This issue affects the function validate/to_xml. The manipulation leads to xml external entity reference. The attack may be initiated remotely. Upgrading to version 0.5.5 is able to address this issue. The patch is named e54abadc777715b6dcb545c13214d1dea63df6c9. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-223403.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| zwczou | WeChat SDK Python | 0.3.0 | — | No fix listed | CNA |
| — | weixin-python (PyPI) | before 0.5.5 | 0.5.5 | Patch available | GHSA-h384-ph77-3699 |
- WeChat SDK Python Vendorzwczou Affected 0.3.0 Fixed in — No fix listed CNA
- weixin-python (PyPI) Vendor— Affected before 0.5.5 Fixed in 0.5.5 Patch available GHSA-h384-ph77-3699
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wechat_sdk_python_project:wechat_sdk_python:*:*:*:*:*:*:*:* | before 0.5.5 | Vulnerable | Wechat Sdk Python Project |
- cpe:2.3:a:wechat_sdk_python_project:wechat_sdk_python:*:*:*:*:*:*:*:* Versions before 0.5.5 Vulnerable ·Wechat Sdk Python Project
Remediation
- Fix · GHSA-h384-ph77-3699 weixin-python (PyPI) Fixed in 0.5.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-25082
- 2026-10-03 Alias added: GHSA-h384-ph77-3699
References
Patch 3
Sources
- CVE-2018-25082 · CVE Program
- CVE-2018-25082 · NVD
- FIRST EPSS
- GHSA-h384-ph77-3699 · GitHub Advisory Database · CC BY 4.0
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