CVE-2025-4545: A vulnerability was found in CTCMS Content Management System 2.1.2

Routine

MEDIUM 5.4DOWNGRADE

CVE-2025-4545 is a medium-severity flaw (CVSS 5.4) affecting ctcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in CTCMS Content Management System 2.1.2. It has been classified as critical. Affected is the function del of the file ctcms\apps\controllers\admin\Tpl.php of the component File Handler. The manipulation of the argument File leads to path traversal. It is possible to launch the attack 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	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-05-11
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: ctcms project

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

Am I affected?

Timeline

2025-05-11 20:15 UTCPublished CVE record published
2026-06-17 09:33 UTCUpdated Record last modified

ctcms project ctcms DOWNGRADE

Affected: 2.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.1.2 (Debian / Ubuntu)

apt-cache madison ctcms sudo apt install ctcms=<VERSION_BEFORE_2.1.2> sudo apt-mark hold ctcms

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

dnf --showduplicates list ctcms sudo dnf downgrade ctcms-<VERSION_BEFORE_2.1.2> sudo dnf versionlock add ctcms

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-2025-4545?

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

Is CVE-2025-4545 being exploited?

CVE-2025-4545 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-2025-4545 affect?

CVE-2025-4545 affects ctcms. Severity is medium (CVSS 5.4). A vulnerability was found in CTCMS Content Management System 2.1.2. It has been classified as critical. Affected is the function del of the file ctcms\apps\controllers\admin\Tpl.php of the component File Handler. The manipulation of the arg

How urgent is CVE-2025-4545?

Priority 38/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-14731 MEDIUM 6.3 UPGRADE A weakness has been identified in CTCMS Content Management System up to 2.1.2
CVE-2025-14729 MEDIUM 4.7 UPGRADE A vulnerability was identified in CTCMS Content Management System up to 2.1.2
CVE-2025-14730 MEDIUM 4.7 UPGRADE A security flaw has been discovered in CTCMS Content Management System up to 2.1.2

References

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