CVE-2019-5312: An issue was discovered in weixin-java-tools v3.3.0

Q: How do I fix CVE-2019-5312?

wxjava: upgrade to 3.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-5312 being exploited?

CVE-2019-5312 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-5312 affect?

CVE-2019-5312 affects wxjava. Severity is critical (CVSS 9.8). 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.

Q: How urgent is CVE-2019-5312?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-5312 is a critical-severity flaw (CVSS 9.8) affecting wxjava. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-611
Published	2019-01-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wxjava project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-01-04 16:29 UTCPublished CVE record published
2026-06-17 02:37 UTCUpdated Record last modified

wxjava project wxjava UPGRADE

Affected: < 3.4.0

Fixed in: 3.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wxjava || rpm -q wxjava || wxjava --version

2. UPGRADE to 3.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wxjava

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wxjava

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-5312?

wxjava: upgrade to 3.4.0. Exact commands for each OS are on this page.

Is CVE-2019-5312 being exploited?

CVE-2019-5312 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-5312 affect?

CVE-2019-5312 affects wxjava. Severity is critical (CVSS 9.8). 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 urgent is CVE-2019-5312?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

Related CVEs

CVE-2018-20318 CRITICAL 9.8 DOWNGRADE An issue was discovered in weixin-java-tools v3.2.0

References

← Back to latest CVEs