CVE-2018-19404: In YXcms 1.4.7, protected/apps/appmanage/controller/indexController.php allow remote authenticated Administrat

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HIGH 7.2DOWNGRADE

CVE-2018-19404 is a high-severity flaw (CVSS 7.2) affecting yxcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In YXcms 1.4.7, protected/apps/appmanage/controller/indexController.php allow remote authenticated Administrators to execute any PHP code by creating a ZIP archive containing a config.php file, hosting the .zip file at an external URL, and visiting index.php?r=appmanage/index/onlineinstall&url= followed by that URL. This is related to the onlineinstall and import functions.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-94
Published	2018-11-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: yxcms

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

Am I affected?

Timeline

2018-11-21 00:29 UTCPublished CVE record published
2026-06-17 01:49 UTCUpdated Record last modified

yxcms yxcms DOWNGRADE

Affected: 1.4.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4.7 (Debian / Ubuntu)

apt-cache madison yxcms sudo apt install yxcms=<VERSION_BEFORE_1.4.7> sudo apt-mark hold yxcms

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

dnf --showduplicates list yxcms sudo dnf downgrade yxcms-<VERSION_BEFORE_1.4.7> sudo dnf versionlock add yxcms

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-2018-19404?

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

Is CVE-2018-19404 being exploited?

CVE-2018-19404 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-2018-19404 affect?

CVE-2018-19404 affects yxcms. Severity is high (CVSS 7.2). In YXcms 1.4.7, protected/apps/appmanage/controller/indexController.php allow remote authenticated Administrators to execute any PHP code by creating a ZIP archive containing a config.php file, hosting the .zip file at an external URL, and

How urgent is CVE-2018-19404?

Priority 49/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-8805 MEDIUM 6.1 DOWNGRADE Yxcms building system (compatible cell phone) v1.4.7 has XSS via the content parameter to protected\apps\defau
CVE-2018-8761 HIGH 7.5 DOWNGRADE protected\apps\member\controller\shopcarController.php in Yxcms building system (compatible cell phone) v1.4.7
CVE-2018-13025 MEDIUM 4.9 DOWNGRADE protected/apps/admin/controller/photoController.php in YXcms 1.4.7 allows remote attackers to delete arbitrary
CVE-2018-11003 MEDIUM 6.5 DOWNGRADE An issue was discovered in YXcms 1.4.7

References

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