CVE-2025-1949: A vulnerability, which was classified as problematic, has been found in ZZCMS 2025

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-1949 is a medium-severity flaw (CVSS 4.3) affecting zzcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in ZZCMS 2025. This issue affects some unknown processing of the file /3/ucenter_api/code/register_nodb.php of the component URL Handler. The manipulation of the argument $_SERVER['PHP_SELF'] leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2025-03-04
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: zzcms

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

Am I affected?

Timeline

2025-03-04 19:15 UTCPublished CVE record published
2026-06-17 08:40 UTCUpdated Record last modified

zzcms zzcms DOWNGRADE

Affected: 2025

Fixed in: no fixed release known

Safe to downgrade to: a release before 2025

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2025 (Debian / Ubuntu)

apt-cache madison zzcms sudo apt install zzcms=<VERSION_BEFORE_2025> sudo apt-mark hold zzcms

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

dnf --showduplicates list zzcms sudo dnf downgrade zzcms-<VERSION_BEFORE_2025> sudo dnf versionlock add zzcms

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-2025-1949?

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

Is CVE-2025-1949 being exploited?

CVE-2025-1949 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-2025-1949 affect?

CVE-2025-1949 affects zzcms. Severity is medium (CVSS 4.3). A vulnerability, which was classified as problematic, has been found in ZZCMS 2025. This issue affects some unknown processing of the file /3/ucenter_api/code/register_nodb.php of the component URL Handler. The manipulation of the argument

How urgent is CVE-2025-1949?

Priority 31/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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