CVE-2018-18939: An issue was discovered in WUZHI CMS 4.1.0

Routine

MEDIUM 4.8DOWNGRADE

CVE-2018-18939 is a medium-severity flaw (CVSS 4.8) affecting wuzhi cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in WUZHI CMS 4.1.0. There is stored XSS in index.php?m=core&f=index via a seventh input field.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-11-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wuzhi cms project

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

Am I affected?

Timeline

2018-11-05 09:29 UTCPublished CVE record published
2026-06-17 01:48 UTCUpdated Record last modified

wuzhi cms project wuzhi cms DOWNGRADE

Affected: 4.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.0

1. Check installed version

apt-cache policy wuzhi-cms || rpm -q wuzhi-cms || wuzhi-cms --version

2. No fixed release: DOWNGRADE to a release before 4.1.0 (Debian / Ubuntu)

apt-cache madison wuzhi-cms sudo apt install wuzhi-cms=<VERSION_BEFORE_4.1.0> sudo apt-mark hold wuzhi-cms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wuzhi-cms sudo dnf downgrade wuzhi-cms-<VERSION_BEFORE_4.1.0> sudo dnf versionlock add wuzhi-cms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2018-18939?

wuzhi cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-18939 being exploited?

CVE-2018-18939 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-2018-18939 affect?

CVE-2018-18939 affects wuzhi cms. Severity is medium (CVSS 4.8). An issue was discovered in WUZHI CMS 4.1.0. There is stored XSS in index.php?m=core&f=index via a seventh input field.

How urgent is CVE-2018-18939?

Priority 35/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2018-16350 MEDIUM 6.1 DOWNGRADE WUZHI CMS 4.1.0 has XSS via the index.php?m=core&f=set&v=basic form[statcode] parameter.
CVE-2018-16349 MEDIUM 6.1 DOWNGRADE WUZHI CMS 4.1.0 has XSS via the index.php?m=link&f=index&v=add form[remark] parameter.
CVE-2018-15894 CRITICAL 9.8 DOWNGRADE A SQL injection was discovered in /coreframe/app/admin/pay/admin/index.php in WUZHI CMS 4.1.0 via the index.ph

References

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