CVE-2025-3123: A vulnerability, which was classified as critical, has been found in WonderCMS 3.5.0

Routine

MEDIUM 4.7DOWNGRADE

CVE-2025-3123 is a medium-severity flaw (CVSS 4.7) affecting wondercms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, has been found in WonderCMS 3.5.0. Affected by this issue is the function installUpdateModuleAction of the component Theme Installation/Plugin Installation. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor explains, th

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	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-284, CWE-434
Published	2025-04-02
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: wondercms

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

Am I affected?

Timeline

2025-04-02 23:15 UTCPublished CVE record published
2026-06-17 09:19 UTCUpdated Record last modified

wondercms wondercms DOWNGRADE

Affected: 3.5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.5.0 (Debian / Ubuntu)

apt-cache madison wondercms sudo apt install wondercms=<VERSION_BEFORE_3.5.0> sudo apt-mark hold wondercms

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

dnf --showduplicates list wondercms sudo dnf downgrade wondercms-<VERSION_BEFORE_3.5.0> sudo dnf versionlock add wondercms

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-2025-3123?

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

Is CVE-2025-3123 being exploited?

CVE-2025-3123 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-2025-3123 affect?

CVE-2025-3123 affects wondercms. Severity is medium (CVSS 4.7). A vulnerability, which was classified as critical, has been found in WonderCMS 3.5.0. Affected by this issue is the function installUpdateModuleAction of the component Theme Installation/Plugin Installation. The manipulation leads to unrest

How urgent is CVE-2025-3123?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2024-41305 MEDIUM 4.7 DOWNGRADE A Server-Side Request Forgery (SSRF) in the Plugins Page of WonderCMS v3.4.3 allows attackers to force the app
CVE-2024-41304 MEDIUM 5.4 DOWNGRADE An arbitrary file upload vulnerability in the uploadFileAction() function of WonderCMS v3.4.3 allows attackers
CVE-2024-32746 MEDIUM 4.6 DOWNGRADE A cross-site scripting (XSS) vulnerability in the Settings section of WonderCMS v3.4.3 allows attackers to exe
CVE-2024-32745 MEDIUM 5.9 DOWNGRADE A cross-site scripting (XSS) vulnerability in the Settings section of WonderCMS v3.4.3 allows attackers to exe
CVE-2024-32744 MEDIUM 4.6 DOWNGRADE A cross-site scripting (XSS) vulnerability in the Settings section of WonderCMS v3.4.3 allows attackers to exe

References

← Back to latest CVEs