CVE-2018-13439: tencent wechat_pay
Vulnerability summary
CVE-2018-13439 is a high (CVSS 7.5) vulnerability in tencent wechat_pay. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Timeline
- 08-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
WXPayUtil in WeChat Pay Java SDK allows XXE attacks involving a merchant notification URL.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · MavenEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.88%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.88% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Com.github.wxpay1 product
- wxpay-sdk≤ 3
Tencent1 product
2 vendors · 2 products
References
3 links- packetstormsecurity.com/files/148390/WeChat-Pay-SDK-XXE-Injection.htmlX Refsource MISCExploitThird Party AdvisoryVDB EntryWEB
- github.com/mixzxu/wxpay-sdkPACKAGE