CVE-2018-13439
WeChat Pay Java SDK allows XXE
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
- Record
CVE-2018-13439- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
- Record
CVE-2018-13439- Updated
- 2026-11-02
EUVDEUVD-2022-3991 No score
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
- Record
EUVD-2022-3991- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gqgv-2gp3-qqp3
WeChat Pay Java SDK allows XXE
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
- Record
GHSA-gqgv-2gp3-qqp3- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
OSVGHSA-gqgv-2gp3-qqp3
WeChat Pay Java SDK allows XXE
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
- Record
GHSA-gqgv-2gp3-qqp3- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.github.wxpay:wxpay-sdkMaven |
through 3 | None known |
com.github.wxpay:wxpay-sdkMaven |
through 3, plus listed versions 0.0.10.0.20.0.3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-13439 is a high vulnerability (CVSS 7.5) in Tencent Wechat Pay, published July 8, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.88%, the 79th percentile. No source names a fixed version.