zwczou WeChat SDK Python 0.3.0 validate/to_xml xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in zwczou WeChat SDK Python 0.3.0 (Programming Language Software) and classified as critical. This issue affects the function validate/to_xml. The manipulation with an unknown input leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability.

The weakness was presented 03/19/2023 as 30. It is possible to read the advisory at The identification of this vulnerability is CVE-2018-25082. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.5.5 eliminates this vulnerability. The upgrade is hosted for download at Applying the patch e54abadc777715b6dcb545c13214d1dea63df6c9 is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version. The advisory contains the following remark:

安全修复:防范XML外部实体注入漏洞(XXE) 参考:






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector (VulDB): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒


Class: Xml external entity reference
CWE: CWE-611 / CWE-610
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WeChat SDK Python 0.5.5
Patch: e54abadc777715b6dcb545c13214d1dea63df6c9


03/19/2023 Advisory disclosed
03/19/2023 +0 days CVE reserved
03/19/2023 +0 days VulDB entry created
04/12/2023 +23 days VulDB last update


Advisory: 30
Status: Confirmed

CVE: CVE-2018-25082 (🔒)


Created: 03/19/2023 09:12 PM
Updated: 04/12/2023 01:42 AM
Changes: 03/19/2023 09:12 PM (45), 04/12/2023 01:34 AM (2), 04/12/2023 01:42 AM (28)
Complete: 🔍


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