CVE-2023-1442: A vulnerability was found in Meizhou Qingyunke QYKCMS 4.3.0

Routine

MEDIUM 4.7DOWNGRADE

CVE-2023-1442 is a medium-severity flaw (CVSS 4.7) affecting qykcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Meizhou Qingyunke QYKCMS 4.3.0. It has been classified as problematic. This affects an unknown part of the file /admin_system/api.php of the component Update Handler. The manipulation of the argument downurl leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-223287.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.7 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-03-17
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: qykcms

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

Am I affected?

Timeline

2023-03-17 07:15 UTCPublished CVE record published
2026-06-17 05:27 UTCUpdated Record last modified

qykcms qykcms DOWNGRADE

Affected: 4.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.3.0 (Debian / Ubuntu)

apt-cache madison qykcms sudo apt install qykcms=<VERSION_BEFORE_4.3.0> sudo apt-mark hold qykcms

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

dnf --showduplicates list qykcms sudo dnf downgrade qykcms-<VERSION_BEFORE_4.3.0> sudo dnf versionlock add qykcms

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-2023-1442?

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

Is CVE-2023-1442 being exploited?

CVE-2023-1442 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-2023-1442 affect?

CVE-2023-1442 affects qykcms. Severity is medium (CVSS 4.7). A vulnerability was found in Meizhou Qingyunke QYKCMS 4.3.0. It has been classified as problematic. This affects an unknown part of the file /admin_system/api.php of the component Update Handler. The manipulation of the argument downurl lea

How urgent is CVE-2023-1442?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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