CVE-2026-38947
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
FluentCMS 1.2.3 is vulnerable to XSS in the TextHTML plugin. An attacker can inject malicious script that executes in the victim's browser.
Risk Assessment
Risk of user session theft, account takeover, or sensitive data leakage via malicious JavaScript execution.
Recommendation
Update FluentCMS to the latest patched version. Restrict TextHTML plugin usage to trusted users.
Other vulnerabilities in FluentCMS
See all- CVE-2026-86271Medium
Missing authorization vulnerability in FluentCMS up to 0.0.5, affecting the GetAccessible function in PermissionManager.cs. Manipulation results in missing authorization. The attack can be initiated remotely, and the exploit is public.
- CVE-2026-11434Low
A vulnerability in FluentCMS 0.0.5 in an unknown function of file /admin/blocks in the Blocks Plugin component leads to cross-site scripting (XSS). The attack can be initiated remotely. The exploit has been made public.
- CVE-2025-67349Medium
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.
Original NVD description (English source)
FluentCMS 1.2.3 is vulnerable to Cross Site Scripting (XSS) in TextHTML plugin.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS