CVE-2026-38947: FluentCMS · Cross-site Scripting
Affects FluentCMSSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 5 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubfluentcms/FluentCMSpkg:github/fluentcms/FluentCMSOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until an official fix is available, users should exercise caution when interacting with untrusted content in the TextHTML plugin. Monitor vendor channels for updates regarding patches or mitigations.
Description
FluentCMS version 1.2.3 contains a Cross Site Scripting (XSS) vulnerability in its TextHTML plugin. This vulnerability allows an attacker to execute malicious scripts in the context of a user's browser session. The vulnerability has a CVSS score of 6.1, indicating a medium severity level. There is no information about available patches or official remediation. No known exploits are reported in the wild at this time.