XSS in Fluentcms
CVE-2025-67349
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000
Affected products
- Fluentcms — versions 1.2.3
Weakness classification (CWE)
References
- github.com/fluentcms/FluentCMS/issues/2403 (Exploit, Third Party Advisory)
- github.com/eoniboogie/CVE_Disclosures/blob/main/CVE-2025-67349/CVE-2025-67349.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-67349?
- CVE-2025-67349 is a medium-severity vulnerability in Fluentcms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-26.
- How severe is CVE-2025-67349?
- Medium severity. CVSS v3 base score is 6.1 out of 10.