CVE-2025-67349: A cross-site scripting (XSS) vulnerability was identified in FluentCMS 1.2.3

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-67349 is a medium-severity flaw (CVSS 6.1) affecting fluentcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cross-site scripting (XSS) vulnerability was identified in FluentCMS 1.2.3. After logging in as an admin and navigating to the "Add Page" function, the application fails to properly sanitize input in the <head> section, allowing remote attackers to inject arbitrary script tags.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-26
Last modified	2026-10-13

Publisher (CNA): MITRE · Vendor: fluentcms

Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-26 15:15 UTCPublished CVE record published
2026-10-13 10:10 UTCUpdated Record last modified

fluentcms fluentcms DOWNGRADE

Affected: 1.2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2.3 (Debian / Ubuntu)

apt-cache madison fluentcms sudo apt install fluentcms=<VERSION_BEFORE_1.2.3> sudo apt-mark hold fluentcms

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

dnf --showduplicates list fluentcms sudo dnf downgrade fluentcms-<VERSION_BEFORE_1.2.3> sudo dnf versionlock add fluentcms

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-2025-67349?

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

Is CVE-2025-67349 being exploited?

CVE-2025-67349 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-2025-67349 affect?

CVE-2025-67349 affects fluentcms. Severity is medium (CVSS 6.1). A cross-site scripting (XSS) vulnerability was identified in FluentCMS 1.2.3. After logging in as an admin and navigating to the "Add Page" function, the application fails to properly sanitize input in the <head> section, allowing remote at

How urgent is CVE-2025-67349?

Priority 32/100. Public exploit reference

Related CVEs

CVE-2025-15549 MEDIUM 4.8 UPGRADE FluentCMS 2026 contains a stored cross-site scripting vulnerability that allows authenticated administrators t

References

← Back to latest CVEs