How severe is CVE-2019-5312?

CVE-2019-5312 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-5312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5312?

CVE-2019-5312 affects Wxjava Project Wxjava. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5312?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-5312 published?

CVE-2019-5312 was published on 2019-01-04 and last updated on 2026-06-17.

CVE-2019-5312

CVE-2019-5312 is a critical-severity vulnerability in Wxjava Project Wxjava with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Wxjava Project Wxjava
Published: 2019-01-04
Last modified: 2026-06-17

Description

An issue was discovered in weixin-java-tools v3.3.0. There is an XXE vulnerability in the getXmlDoc method of the BaseWxPayResult.java file. NOTE: this issue exists because of an incomplete fix for CVE-2018-20318.

Frequently asked questions

What is CVE-2019-5312?: An issue was discovered in weixin-java-tools v3.3.0. There is an XXE vulnerability in the getXmlDoc method of the BaseWxPayResult.java file. NOTE: this issue exists because of an incomplete fix for CVE-2018-20318.
How severe is CVE-2019-5312?: CVE-2019-5312 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-5312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5312?: CVE-2019-5312 affects Wxjava Project Wxjava. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-5312 published?: CVE-2019-5312 was published on 2019-01-04 and last updated on 2026-06-17.

References

https://github.com/Wechat-Group/WxJava/issues/903

Affected products (1)

cpe:2.3:a:wxjava_project:wxjava:*:*:*:*:*:*:*:*

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